8681660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33391}}^1$

素因数の和:33413

約数の個数: 24

約数和(自身を含む): 19634496

約数和(自身を除く): 10952836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 33391, 66782, 133564, 166955, 333910, 434083, 667820, 868166, 1736332, 2170415, 4340830, 8681660]

約数ペア:

[(1, 8681660), (2, 4340830), (4, 2170415), (5, 1736332), (10, 868166), (13, 667820), (20, 434083), (26, 333910), (52, 166955), (65, 133564), (130, 66782), (260, 33391)]