85421360

素因数分解:

$2^4\times 5^1\times {\mathrm{1067767}}^1$

素因数の和:1067780

約数の個数: 20

約数和(自身を含む): 198604848

約数和(自身を除く): 113183488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1067767, 2135534, 4271068, 5338835, 8542136, 10677670, 17084272, 21355340, 42710680, 85421360]

約数ペア:

[(1, 85421360), (2, 42710680), (4, 21355340), (5, 17084272), (8, 10677670), (10, 8542136), (16, 5338835), (20, 4271068), (40, 2135534), (80, 1067767)]