86772920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166871}}^1$

素因数の和:166895

約数の個数: 32

約数和(自身を含む): 210258720

約数和(自身を除く): 123485800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 166871, 333742, 667484, 834355, 1334968, 1668710, 2169323, 3337420, 4338646, 6674840, 8677292, 10846615, 17354584, 21693230, 43386460, 86772920]

約数ペア:

[(1, 86772920), (2, 43386460), (4, 21693230), (5, 17354584), (8, 10846615), (10, 8677292), (13, 6674840), (20, 4338646), (26, 3337420), (40, 2169323), (52, 1668710), (65, 1334968), (104, 834355), (130, 667484), (260, 333742), (520, 166871)]