80379650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123661}}^1$

素因数の和:123686

約数の個数: 24

約数和(自身を含む): 161007924

約数和(自身を除く): 80628274

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 123661, 247322, 618305, 1236610, 1607593, 3091525, 3215186, 6183050, 8037965, 16075930, 40189825, 80379650]

約数ペア:

[(1, 80379650), (2, 40189825), (5, 16075930), (10, 8037965), (13, 6183050), (25, 3215186), (26, 3091525), (50, 1607593), (65, 1236610), (130, 618305), (325, 247322), (650, 123661)]