39631880

素因数分解:

$2^3\times 5^1\times {\mathrm{990797}}^1$

素因数の和:990808

約数の個数: 16

約数和(自身を含む): 89171820

約数和(自身を除く): 49539940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 990797, 1981594, 3963188, 4953985, 7926376, 9907970, 19815940, 39631880]

約数ペア:

[(1, 39631880), (2, 19815940), (4, 9907970), (5, 7926376), (8, 4953985), (10, 3963188), (20, 1981594), (40, 990797)]