40397360

素因数分解:

$2^4\times 5^1\times {\mathrm{504967}}^1$

素因数の和:504980

約数の個数: 20

約数和(自身を含む): 93924048

約数和(自身を除く): 53526688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504967, 1009934, 2019868, 2524835, 4039736, 5049670, 8079472, 10099340, 20198680, 40397360]

約数ペア:

[(1, 40397360), (2, 20198680), (4, 10099340), (5, 8079472), (8, 5049670), (10, 4039736), (16, 2524835), (20, 2019868), (40, 1009934), (80, 504967)]