4085990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4591}}^1$

素因数の和:4687

約数の個数: 16

約数和(自身を含む): 7439040

約数和(自身を除く): 3353050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 4591, 9182, 22955, 45910, 408599, 817198, 2042995, 4085990]

約数ペア:

[(1, 4085990), (2, 2042995), (5, 817198), (10, 408599), (89, 45910), (178, 22955), (445, 9182), (890, 4591)]