2015570140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{997807}}^1$

素因数の和:997917

約数の個数: 24

約数和(自身を含む): 4274609472

約数和(自身を除く): 2259039332

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 997807, 1995614, 3991228, 4989035, 9978070, 19956140, 100778507, 201557014, 403114028, 503892535, 1007785070, 2015570140]

約数ペア:

[(1, 2015570140), (2, 1007785070), (4, 503892535), (5, 403114028), (10, 201557014), (20, 100778507), (101, 19956140), (202, 9978070), (404, 4989035), (505, 3991228), (1010, 1995614), (2020, 997807)]