2890540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1279}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 6128640

約数和(自身を除く): 3238100

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 1279, 2260, 2558, 5116, 6395, 12790, 25580, 144527, 289054, 578108, 722635, 1445270, 2890540]

約数ペア:

[(1, 2890540), (2, 1445270), (4, 722635), (5, 578108), (10, 289054), (20, 144527), (113, 25580), (226, 12790), (452, 6395), (565, 5116), (1130, 2558), (1279, 2260)]