40182160

素因数分解:

$2^4\times 5^1\times {\mathrm{502277}}^1$

素因数の和:502290

約数の個数: 20

約数和(自身を含む): 93423708

約数和(自身を除く): 53241548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502277, 1004554, 2009108, 2511385, 4018216, 5022770, 8036432, 10045540, 20091080, 40182160]

約数ペア:

[(1, 40182160), (2, 20091080), (4, 10045540), (5, 8036432), (8, 5022770), (10, 4018216), (16, 2511385), (20, 2009108), (40, 1004554), (80, 502277)]