13225180

素因数分解:

$2^2\times 5^1\times {\mathrm{661259}}^1$

素因数の和:661268

約数の個数: 12

約数和(自身を含む): 27772920

約数和(自身を除く): 14547740

約数列:

[1, 2, 4, 5, 10, 20, 661259, 1322518, 2645036, 3306295, 6612590, 13225180]

約数ペア:

[(1, 13225180), (2, 6612590), (4, 3306295), (5, 2645036), (10, 1322518), (20, 661259)]