80491450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123833}}^1$

素因数の和:123858

約数の個数: 24

約数和(自身を含む): 161231868

約数和(自身を除く): 80740418

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 123833, 247666, 619165, 1238330, 1609829, 3095825, 3219658, 6191650, 8049145, 16098290, 40245725, 80491450]

約数ペア:

[(1, 80491450), (2, 40245725), (5, 16098290), (10, 8049145), (13, 6191650), (25, 3219658), (26, 3095825), (50, 1609829), (65, 1238330), (130, 619165), (325, 247666), (650, 123833)]