3981080

素因数分解:

$2^3\times 5^1\times {\mathrm{99527}}^1$

素因数の和:99538

約数の個数: 16

約数和(自身を含む): 8957520

約数和(自身を除く): 4976440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99527, 199054, 398108, 497635, 796216, 995270, 1990540, 3981080]

約数ペア:

[(1, 3981080), (2, 1990540), (4, 995270), (5, 796216), (8, 497635), (10, 398108), (20, 199054), (40, 99527)]