51791620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15887}}^1$

素因数の和:16059

約数の個数: 24

約数和(自身を含む): 109436544

約数和(自身を除く): 57644924

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 15887, 31774, 63548, 79435, 158870, 317740, 2589581, 5179162, 10358324, 12947905, 25895810, 51791620]

約数ペア:

[(1, 51791620), (2, 25895810), (4, 12947905), (5, 10358324), (10, 5179162), (20, 2589581), (163, 317740), (326, 158870), (652, 79435), (815, 63548), (1630, 31774), (3260, 15887)]