9791620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11941}}^1$

素因数の和:11991

約数の個数: 24

約数和(自身を含む): 21065688

約数和(自身を除く): 11274068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 11941, 23882, 47764, 59705, 119410, 238820, 489581, 979162, 1958324, 2447905, 4895810, 9791620]

約数ペア:

[(1, 9791620), (2, 4895810), (4, 2447905), (5, 1958324), (10, 979162), (20, 489581), (41, 238820), (82, 119410), (164, 59705), (205, 47764), (410, 23882), (820, 11941)]