2781020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12641}}^1$

素因数の和:12661

約数の個数: 24

約数和(自身を含む): 6371568

約数和(自身を除く): 3590548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12641, 25282, 50564, 63205, 126410, 139051, 252820, 278102, 556204, 695255, 1390510, 2781020]

約数ペア:

[(1, 2781020), (2, 1390510), (4, 695255), (5, 556204), (10, 278102), (11, 252820), (20, 139051), (22, 126410), (44, 63205), (55, 50564), (110, 25282), (220, 12641)]