13309225180

素因数分解:

$2^2\times 5^1\times {\mathrm{665461259}}^1$

素因数の和:665461268

約数の個数: 12

約数和(自身を含む): 27949372920

約数和(自身を除く): 14640147740

約数列:

[1, 2, 4, 5, 10, 20, 665461259, 1330922518, 2661845036, 3327306295, 6654612590, 13309225180]

約数ペア:

[(1, 13309225180), (2, 6654612590), (4, 3327306295), (5, 2661845036), (10, 1330922518), (20, 665461259)]