325553680

素因数分解:

$2^4\times 5^1\times {\mathrm{4069421}}^1$

素因数の和:4069434

約数の個数: 20

約数和(自身を含む): 756912492

約数和(自身を除く): 431358812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4069421, 8138842, 16277684, 20347105, 32555368, 40694210, 65110736, 81388420, 162776840, 325553680]

約数ペア:

[(1, 325553680), (2, 162776840), (4, 81388420), (5, 65110736), (8, 40694210), (10, 32555368), (16, 20347105), (20, 16277684), (40, 8138842), (80, 4069421)]