10204550

素因数分解:

$2^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:920

約数の個数: 24

約数和(自身を含む): 19065000

約数和(自身を除く): 8860450

約数列:

[1, 2, 5, 10, 25, 50, 409, 499, 818, 998, 2045, 2495, 4090, 4990, 10225, 12475, 20450, 24950, 204091, 408182, 1020455, 2040910, 5102275, 10204550]

約数ペア:

[(1, 10204550), (2, 5102275), (5, 2040910), (10, 1020455), (25, 408182), (50, 204091), (409, 24950), (499, 20450), (818, 12475), (998, 10225), (2045, 4990), (2495, 4090)]