408041660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1569391}}^1$

素因数の和:1569413

約数の個数: 24

約数和(自身を含む): 922802496

約数和(自身を除く): 514760836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1569391, 3138782, 6277564, 7846955, 15693910, 20402083, 31387820, 40804166, 81608332, 102010415, 204020830, 408041660]

約数ペア:

[(1, 408041660), (2, 204020830), (4, 102010415), (5, 81608332), (10, 40804166), (13, 31387820), (20, 20402083), (26, 15693910), (52, 7846955), (65, 6277564), (130, 3138782), (260, 1569391)]