100088720

素因数分解:

$2^4\times 5^1\times {\mathrm{1251109}}^1$

素因数の和:1251122

約数の個数: 20

約数和(自身を含む): 232706460

約数和(自身を除く): 132617740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1251109, 2502218, 5004436, 6255545, 10008872, 12511090, 20017744, 25022180, 50044360, 100088720]

約数ペア:

[(1, 100088720), (2, 50044360), (4, 25022180), (5, 20017744), (8, 12511090), (10, 10008872), (16, 6255545), (20, 5004436), (40, 2502218), (80, 1251109)]