28885060

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12781}}^1$

素因数の和:12903

約数の個数: 24

約数和(自身を含む): 61200216

約数和(自身を除く): 32315156

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12781, 25562, 51124, 63905, 127810, 255620, 1444253, 2888506, 5777012, 7221265, 14442530, 28885060]

約数ペア:

[(1, 28885060), (2, 14442530), (4, 7221265), (5, 5777012), (10, 2888506), (20, 1444253), (113, 255620), (226, 127810), (452, 63905), (565, 51124), (1130, 25562), (2260, 12781)]