9889452920

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{218987}}^1$

素因数の和:220127

約数の個数: 32

約数和(自身を含む): 22271079600

約数和(自身を除く): 12381626680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 2258, 4516, 5645, 9032, 11290, 22580, 45160, 218987, 437974, 875948, 1094935, 1751896, 2189870, 4379740, 8759480, 247236323, 494472646, 988945292, 1236181615, 1977890584, 2472363230, 4944726460, 9889452920]

約数ペア:

[(1, 9889452920), (2, 4944726460), (4, 2472363230), (5, 1977890584), (8, 1236181615), (10, 988945292), (20, 494472646), (40, 247236323), (1129, 8759480), (2258, 4379740), (4516, 2189870), (5645, 1751896), (9032, 1094935), (11290, 875948), (22580, 437974), (45160, 218987)]