28107620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12437}}^1$

素因数の和:12559

約数の個数: 24

約数和(自身を含む): 59553144

約数和(自身を除く): 31445524

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12437, 24874, 49748, 62185, 124370, 248740, 1405381, 2810762, 5621524, 7026905, 14053810, 28107620]

約数ペア:

[(1, 28107620), (2, 14053810), (4, 7026905), (5, 5621524), (10, 2810762), (20, 1405381), (113, 248740), (226, 124370), (452, 62185), (565, 49748), (1130, 24874), (2260, 12437)]