25347020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30911}}^1$

素因数の和:30961

約数の個数: 24

約数和(自身を含む): 54528768

約数和(自身を除く): 29181748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30911, 61822, 123644, 154555, 309110, 618220, 1267351, 2534702, 5069404, 6336755, 12673510, 25347020]

約数ペア:

[(1, 25347020), (2, 12673510), (4, 6336755), (5, 5069404), (10, 2534702), (20, 1267351), (41, 618220), (82, 309110), (164, 154555), (205, 123644), (410, 61822), (820, 30911)]