168392080

素因数分解:

$2^4\times 5^1\times {\mathrm{2104901}}^1$

素因数の和:2104914

約数の個数: 20

約数和(自身を含む): 391511772

約数和(自身を除く): 223119692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2104901, 4209802, 8419604, 10524505, 16839208, 21049010, 33678416, 42098020, 84196040, 168392080]

約数ペア:

[(1, 168392080), (2, 84196040), (4, 42098020), (5, 33678416), (8, 21049010), (10, 16839208), (16, 10524505), (20, 8419604), (40, 4209802), (80, 2104901)]