79556740

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{21977}}^1$

素因数の和:22167

約数の個数: 24

約数和(自身を含む): 167999832

約数和(自身を除く): 88443092

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 21977, 43954, 87908, 109885, 219770, 439540, 3977837, 7955674, 15911348, 19889185, 39778370, 79556740]

約数ペア:

[(1, 79556740), (2, 39778370), (4, 19889185), (5, 15911348), (10, 7955674), (20, 3977837), (181, 439540), (362, 219770), (724, 109885), (905, 87908), (1810, 43954), (3620, 21977)]