18260080

素因数分解:

$2^4\times 5^1\times {\mathrm{228251}}^1$

素因数の和:228264

約数の個数: 20

約数和(自身を含む): 42454872

約数和(自身を除く): 24194792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228251, 456502, 913004, 1141255, 1826008, 2282510, 3652016, 4565020, 9130040, 18260080]

約数ペア:

[(1, 18260080), (2, 9130040), (4, 4565020), (5, 3652016), (8, 2282510), (10, 1826008), (16, 1141255), (20, 913004), (40, 456502), (80, 228251)]