168396080

素因数分解:

$2^4\times 5^1\times {\mathrm{2104951}}^1$

素因数の和:2104964

約数の個数: 20

約数和(自身を含む): 391521072

約数和(自身を除く): 223124992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2104951, 4209902, 8419804, 10524755, 16839608, 21049510, 33679216, 42099020, 84198040, 168396080]

約数ペア:

[(1, 168396080), (2, 84198040), (4, 42099020), (5, 33679216), (8, 21049510), (10, 16839608), (16, 10524755), (20, 8419804), (40, 4209902), (80, 2104951)]