87664660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26891}}^1$

素因数の和:27063

約数の個数: 24

約数和(自身を含む): 185232096

約数和(自身を除く): 97567436

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 26891, 53782, 107564, 134455, 268910, 537820, 4383233, 8766466, 17532932, 21916165, 43832330, 87664660]

約数ペア:

[(1, 87664660), (2, 43832330), (4, 21916165), (5, 17532932), (10, 8766466), (20, 4383233), (163, 537820), (326, 268910), (652, 134455), (815, 107564), (1630, 53782), (3260, 26891)]