163020080

素因数分解:

$2^4\times 5^1\times {\mathrm{2037751}}^1$

素因数の和:2037764

約数の個数: 20

約数和(自身を含む): 379021872

約数和(自身を除く): 216001792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2037751, 4075502, 8151004, 10188755, 16302008, 20377510, 32604016, 40755020, 81510040, 163020080]

約数ペア:

[(1, 163020080), (2, 81510040), (4, 40755020), (5, 32604016), (8, 20377510), (10, 16302008), (16, 10188755), (20, 8151004), (40, 4075502), (80, 2037751)]