16257620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4987}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 34357344

約数和(自身を除く): 18099724

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4987, 9974, 19948, 24935, 49870, 99740, 812881, 1625762, 3251524, 4064405, 8128810, 16257620]

約数ペア:

[(1, 16257620), (2, 8128810), (4, 4064405), (5, 3251524), (10, 1625762), (20, 812881), (163, 99740), (326, 49870), (652, 24935), (815, 19948), (1630, 9974), (3260, 4987)]