12847820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10531}}^1$

素因数の和:10601

約数の個数: 24

約数和(自身を含む): 27425328

約数和(自身を除く): 14577508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10531, 21062, 42124, 52655, 105310, 210620, 642391, 1284782, 2569564, 3211955, 6423910, 12847820]

約数ペア:

[(1, 12847820), (2, 6423910), (4, 3211955), (5, 2569564), (10, 1284782), (20, 642391), (61, 210620), (122, 105310), (244, 52655), (305, 42124), (610, 21062), (1220, 10531)]