54987340

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12329}}^1$

素因数の和:12561

約数の個数: 24

約数和(自身を含む): 116000640

約数和(自身を除く): 61013300

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 12329, 24658, 49316, 61645, 123290, 246580, 2749367, 5498734, 10997468, 13746835, 27493670, 54987340]

約数ペア:

[(1, 54987340), (2, 27493670), (4, 13746835), (5, 10997468), (10, 5498734), (20, 2749367), (223, 246580), (446, 123290), (892, 61645), (1115, 49316), (2230, 24658), (4460, 12329)]