17220440

素因数分解:

$2^3\times 5^1\times {\mathrm{430511}}^1$

素因数の和:430522

約数の個数: 16

約数和(自身を含む): 38746080

約数和(自身を除く): 21525640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 430511, 861022, 1722044, 2152555, 3444088, 4305110, 8610220, 17220440]

約数ペア:

[(1, 17220440), (2, 8610220), (4, 4305110), (5, 3444088), (8, 2152555), (10, 1722044), (20, 861022), (40, 430511)]