7901660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30391}}^1$

素因数の和:30413

約数の個数: 24

約数和(自身を含む): 17870496

約数和(自身を除く): 9968836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30391, 60782, 121564, 151955, 303910, 395083, 607820, 790166, 1580332, 1975415, 3950830, 7901660]

約数ペア:

[(1, 7901660), (2, 3950830), (4, 1975415), (5, 1580332), (10, 790166), (13, 607820), (20, 395083), (26, 303910), (52, 151955), (65, 121564), (130, 60782), (260, 30391)]