8115640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15607}}^1$

素因数の和:15631

約数の個数: 32

約数和(自身を含む): 19666080

約数和(自身を除く): 11550440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15607, 31214, 62428, 78035, 124856, 156070, 202891, 312140, 405782, 624280, 811564, 1014455, 1623128, 2028910, 4057820, 8115640]

約数ペア:

[(1, 8115640), (2, 4057820), (4, 2028910), (5, 1623128), (8, 1014455), (10, 811564), (13, 624280), (20, 405782), (26, 312140), (40, 202891), (52, 156070), (65, 124856), (104, 78035), (130, 62428), (260, 31214), (520, 15607)]