18060080

素因数分解:

$2^4\times 5^1\times {\mathrm{225751}}^1$

素因数の和:225764

約数の個数: 20

約数和(自身を含む): 41989872

約数和(自身を除く): 23929792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 225751, 451502, 903004, 1128755, 1806008, 2257510, 3612016, 4515020, 9030040, 18060080]

約数ペア:

[(1, 18060080), (2, 9030040), (4, 4515020), (5, 3612016), (8, 2257510), (10, 1806008), (16, 1128755), (20, 903004), (40, 451502), (80, 225751)]