
    Design a function that analyzes a student's total assessment score to identify all possible achievement checkpoints by finding all numbers that evenly divide into the total score. The sum of these checkpoint values will determine the student's progression weight in the adaptive learning system.
    

    
def sum_div(number):
    """
    Design a function that analyzes a student's total assessment score to identify all possible achievement checkpoints by finding all numbers that evenly divide into the total score. The sum of these checkpoint values will determine the student's progression weight in the adaptive learning system.
    

    """
def sum_div(number):
    """
    Design a function that analyzes a student's total assessment score to identify all possible achievement checkpoints by finding all numbers that evenly divide into the total score. The sum of these checkpoint values will determine the student's progression weight in the adaptive learning system.
    

    """
    divisors = [1]
    for i in range(2, number):
        if number % i == 0:
            divisors.append(i)
    return sum(divisors)