25659820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29837}}^1$

素因数の和:29889

約数の個数: 24

約数和(自身を含む): 55140624

約数和(自身を除く): 29480804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 29837, 59674, 119348, 149185, 298370, 596740, 1282991, 2565982, 5131964, 6414955, 12829910, 25659820]

約数ペア:

[(1, 25659820), (2, 12829910), (4, 6414955), (5, 5131964), (10, 2565982), (20, 1282991), (43, 596740), (86, 298370), (172, 149185), (215, 119348), (430, 59674), (860, 29837)]