27805460

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1279}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 58490880

約数和(自身を除く): 30685420

約数列:

[1, 2, 4, 5, 10, 20, 1087, 1279, 2174, 2558, 4348, 5116, 5435, 6395, 10870, 12790, 21740, 25580, 1390273, 2780546, 5561092, 6951365, 13902730, 27805460]

約数ペア:

[(1, 27805460), (2, 13902730), (4, 6951365), (5, 5561092), (10, 2780546), (20, 1390273), (1087, 25580), (1279, 21740), (2174, 12790), (2558, 10870), (4348, 6395), (5116, 5435)]