55091660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211891}}^1$

素因数の和:211913

約数の個数: 24

約数和(自身を含む): 124592496

約数和(自身を除く): 69500836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211891, 423782, 847564, 1059455, 2118910, 2754583, 4237820, 5509166, 11018332, 13772915, 27545830, 55091660]

約数ペア:

[(1, 55091660), (2, 27545830), (4, 13772915), (5, 11018332), (10, 5509166), (13, 4237820), (20, 2754583), (26, 2118910), (52, 1059455), (65, 847564), (130, 423782), (260, 211891)]