8170040

素因数分解:

$2^3\times 5^1\times {\mathrm{204251}}^1$

素因数の和:204262

約数の個数: 16

約数和(自身を含む): 18382680

約数和(自身を除く): 10212640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 204251, 408502, 817004, 1021255, 1634008, 2042510, 4085020, 8170040]

約数ペア:

[(1, 8170040), (2, 4085020), (4, 2042510), (5, 1634008), (8, 1021255), (10, 817004), (20, 408502), (40, 204251)]