168395960

素因数分解:

$2^3\times 5^1\times {\mathrm{4209899}}^1$

素因数の和:4209910

約数の個数: 16

約数和(自身を含む): 378891000

約数和(自身を除く): 210495040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4209899, 8419798, 16839596, 21049495, 33679192, 42098990, 84197980, 168395960]

約数ペア:

[(1, 168395960), (2, 84197980), (4, 42098990), (5, 33679192), (8, 21049495), (10, 16839596), (20, 8419798), (40, 4209899)]