40394660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12391}}^1$

素因数の和:12563

約数の個数: 24

約数和(自身を含む): 85356096

約数和(自身を除く): 44961436

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 12391, 24782, 49564, 61955, 123910, 247820, 2019733, 4039466, 8078932, 10098665, 20197330, 40394660]

約数ペア:

[(1, 40394660), (2, 20197330), (4, 10098665), (5, 8078932), (10, 4039466), (20, 2019733), (163, 247820), (326, 123910), (652, 61955), (815, 49564), (1630, 24782), (3260, 12391)]