28170040

素因数分解:

$2^3\times 5^1\times {\mathrm{704251}}^1$

素因数の和:704262

約数の個数: 16

約数和(自身を含む): 63382680

約数和(自身を除く): 35212640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 704251, 1408502, 2817004, 3521255, 5634008, 7042510, 14085020, 28170040]

約数ペア:

[(1, 28170040), (2, 14085020), (4, 7042510), (5, 5634008), (8, 3521255), (10, 2817004), (20, 1408502), (40, 704251)]