def make_divisors(n):
    """
Function to enumerate divisors
    
Example) n = 100
    ⇒ 100 = 1 * 100, 2 * 50, 4 * 25, 5 * 20, 10 * 10
    ⇒ 1, 2, 4, 5,Look up to 10 and the pair(n // i)To list(n /i float)
    ⇒ 10 *Avoid duplication like 10&
    """
    divisors = []
    for i in range(1, int(n ** 0.5) + 1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i: 
                divisors.append(n // i)

    divisors.sort()
    return divisors

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