39661640

素因数分解:

$2^3\times 5^1\times {\mathrm{991541}}^1$

素因数の和:991552

約数の個数: 16

約数和(自身を含む): 89238780

約数和(自身を除く): 49577140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991541, 1983082, 3966164, 4957705, 7932328, 9915410, 19830820, 39661640]

約数ペア:

[(1, 39661640), (2, 19830820), (4, 9915410), (5, 7932328), (8, 4957705), (10, 3966164), (20, 1983082), (40, 991541)]