64832620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28687}}^1$

素因数の和:28809

約数の個数: 24

約数和(自身を含む): 137358144

約数和(自身を除く): 72525524

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 28687, 57374, 114748, 143435, 286870, 573740, 3241631, 6483262, 12966524, 16208155, 32416310, 64832620]

約数ペア:

[(1, 64832620), (2, 32416310), (4, 16208155), (5, 12966524), (10, 6483262), (20, 3241631), (113, 573740), (226, 286870), (452, 143435), (565, 114748), (1130, 57374), (2260, 28687)]