8131910980

素因数分解:

$2^2\times 5^1\times {\mathrm{9769}}^1\times {\mathrm{41621}}^1$

素因数の和:51399

約数の個数: 24

約数和(自身を含む): 17079171480

約数和(自身を除く): 8947260500

約数列:

[1, 2, 4, 5, 10, 20, 9769, 19538, 39076, 41621, 48845, 83242, 97690, 166484, 195380, 208105, 416210, 832420, 406595549, 813191098, 1626382196, 2032977745, 4065955490, 8131910980]

約数ペア:

[(1, 8131910980), (2, 4065955490), (4, 2032977745), (5, 1626382196), (10, 813191098), (20, 406595549), (9769, 832420), (19538, 416210), (39076, 208105), (41621, 195380), (48845, 166484), (83242, 97690)]