39815620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153137}}^1$

素因数の和:153159

約数の個数: 24

約数和(自身を含む): 90045144

約数和(自身を除く): 50229524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153137, 306274, 612548, 765685, 1531370, 1990781, 3062740, 3981562, 7963124, 9953905, 19907810, 39815620]

約数ペア:

[(1, 39815620), (2, 19907810), (4, 9953905), (5, 7963124), (10, 3981562), (13, 3062740), (20, 1990781), (26, 1531370), (52, 765685), (65, 612548), (130, 306274), (260, 153137)]