61521020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{279641}}^1$

素因数の和:279661

約数の個数: 24

約数和(自身を含む): 140939568

約数和(自身を除く): 79418548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 279641, 559282, 1118564, 1398205, 2796410, 3076051, 5592820, 6152102, 12304204, 15380255, 30760510, 61521020]

約数ペア:

[(1, 61521020), (2, 30760510), (4, 15380255), (5, 12304204), (10, 6152102), (11, 5592820), (20, 3076051), (22, 2796410), (44, 1398205), (55, 1118564), (110, 559282), (220, 279641)]