8257627820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31760107}}^1$

素因数の和:31760129

約数の個数: 24

約数和(自身を含む): 18674943504

約数和(自身を除く): 10417315684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31760107, 63520214, 127040428, 158800535, 317601070, 412881391, 635202140, 825762782, 1651525564, 2064406955, 4128813910, 8257627820]

約数ペア:

[(1, 8257627820), (2, 4128813910), (4, 2064406955), (5, 1651525564), (10, 825762782), (13, 635202140), (20, 412881391), (26, 317601070), (52, 158800535), (65, 127040428), (130, 63520214), (260, 31760107)]