31997960

素因数分解:

$2^3\times 5^1\times {\mathrm{799949}}^1$

素因数の和:799960

約数の個数: 16

約数和(自身を含む): 71995500

約数和(自身を除く): 39997540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 799949, 1599898, 3199796, 3999745, 6399592, 7999490, 15998980, 31997960]

約数ペア:

[(1, 31997960), (2, 15998980), (4, 7999490), (5, 6399592), (8, 3999745), (10, 3199796), (20, 1599898), (40, 799949)]