2558045180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1266359}}^1$

素因数の和:1266469

約数の個数: 24

約数和(自身を含む): 5425086240

約数和(自身を除く): 2867041060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 1266359, 2532718, 5065436, 6331795, 12663590, 25327180, 127902259, 255804518, 511609036, 639511295, 1279022590, 2558045180]

約数ペア:

[(1, 2558045180), (2, 1279022590), (4, 639511295), (5, 511609036), (10, 255804518), (20, 127902259), (101, 25327180), (202, 12663590), (404, 6331795), (505, 5065436), (1010, 2532718), (2020, 1266359)]