2551540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 5410440

約数和(自身を除く): 2858900

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1129, 1130, 2258, 2260, 4516, 5645, 11290, 22580, 127577, 255154, 510308, 637885, 1275770, 2551540]

約数ペア:

[(1, 2551540), (2, 1275770), (4, 637885), (5, 510308), (10, 255154), (20, 127577), (113, 22580), (226, 11290), (452, 5645), (565, 4516), (1129, 2260), (1130, 2258)]