8180720

素因数分解:

$2^4\times 5^1\times {\mathrm{102259}}^1$

素因数の和:102272

約数の個数: 20

約数和(自身を含む): 19020360

約数和(自身を除く): 10839640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102259, 204518, 409036, 511295, 818072, 1022590, 1636144, 2045180, 4090360, 8180720]

約数ペア:

[(1, 8180720), (2, 4090360), (4, 2045180), (5, 1636144), (8, 1022590), (10, 818072), (16, 511295), (20, 409036), (40, 204518), (80, 102259)]