131457640

素因数分解:

$2^3\times 5^1\times {\mathrm{3286441}}^1$

素因数の和:3286452

約数の個数: 16

約数和(自身を含む): 295779780

約数和(自身を除く): 164322140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3286441, 6572882, 13145764, 16432205, 26291528, 32864410, 65728820, 131457640]

約数ペア:

[(1, 131457640), (2, 65728820), (4, 32864410), (5, 26291528), (8, 16432205), (10, 13145764), (20, 6572882), (40, 3286441)]