1520352140

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{69677}}^1$

素因数の和:70777

約数の個数: 24

約数和(自身を含む): 3195711792

約数和(自身を除く): 1675359652

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 10910, 21820, 69677, 139354, 278708, 348385, 696770, 1393540, 76017607, 152035214, 304070428, 380088035, 760176070, 1520352140]

約数ペア:

[(1, 1520352140), (2, 760176070), (4, 380088035), (5, 304070428), (10, 152035214), (20, 76017607), (1091, 1393540), (2182, 696770), (4364, 348385), (5455, 278708), (10910, 139354), (21820, 69677)]