4005730

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1009}}^1$

素因数の和:1413

約数の個数: 16

約数和(自身を含む): 7235640

約数和(自身を除く): 3229910

約数列:

[1, 2, 5, 10, 397, 794, 1009, 1985, 2018, 3970, 5045, 10090, 400573, 801146, 2002865, 4005730]

約数ペア:

[(1, 4005730), (2, 2002865), (5, 801146), (10, 400573), (397, 10090), (794, 5045), (1009, 3970), (1985, 2018)]