31908640

素因数分解:

$2^5\times 5^1\times {\mathrm{199429}}^1$

素因数の和:199444

約数の個数: 24

約数和(自身を含む): 75384540

約数和(自身を除く): 43475900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199429, 398858, 797716, 997145, 1595432, 1994290, 3190864, 3988580, 6381728, 7977160, 15954320, 31908640]

約数ペア:

[(1, 31908640), (2, 15954320), (4, 7977160), (5, 6381728), (8, 3988580), (10, 3190864), (16, 1994290), (20, 1595432), (32, 997145), (40, 797716), (80, 398858), (160, 199429)]