67045180

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{2621}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 140958720

約数和(自身を除く): 73913540

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 2621, 5116, 5242, 6395, 10484, 12790, 13105, 25580, 26210, 52420, 3352259, 6704518, 13409036, 16761295, 33522590, 67045180]

約数ペア:

[(1, 67045180), (2, 33522590), (4, 16761295), (5, 13409036), (10, 6704518), (20, 3352259), (1279, 52420), (2558, 26210), (2621, 25580), (5116, 13105), (5242, 12790), (6395, 10484)]