68008580

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{12641}}^1$

素因数の和:12919

約数の個数: 24

約数和(自身を含む): 143360280

約数和(自身を除く): 75351700

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 12641, 25282, 50564, 63205, 126410, 252820, 3400429, 6800858, 13601716, 17002145, 34004290, 68008580]

約数ペア:

[(1, 68008580), (2, 34004290), (4, 17002145), (5, 13601716), (10, 6800858), (20, 3400429), (269, 252820), (538, 126410), (1076, 63205), (1345, 50564), (2690, 25282), (5380, 12641)]