166401640

素因数分解:

$2^3\times 5^1\times {\mathrm{4160041}}^1$

素因数の和:4160052

約数の個数: 16

約数和(自身を含む): 374403780

約数和(自身を除く): 208002140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4160041, 8320082, 16640164, 20800205, 33280328, 41600410, 83200820, 166401640]

約数ペア:

[(1, 166401640), (2, 83200820), (4, 41600410), (5, 33280328), (8, 20800205), (10, 16640164), (20, 8320082), (40, 4160041)]