1330887020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1090891}}^1$

素因数の和:1090961

約数の個数: 24

約数和(自身を含む): 2840682768

約数和(自身を除く): 1509795748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1090891, 2181782, 4363564, 5454455, 10908910, 21817820, 66544351, 133088702, 266177404, 332721755, 665443510, 1330887020]

約数ペア:

[(1, 1330887020), (2, 665443510), (4, 332721755), (5, 266177404), (10, 133088702), (20, 66544351), (61, 21817820), (122, 10908910), (244, 5454455), (305, 4363564), (610, 2181782), (1220, 1090891)]