3982960

素因数分解:

$2^4\times 5^1\times {\mathrm{49787}}^1$

素因数の和:49800

約数の個数: 20

約数和(自身を含む): 9260568

約数和(自身を除く): 5277608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49787, 99574, 199148, 248935, 398296, 497870, 796592, 995740, 1991480, 3982960]

約数ペア:

[(1, 3982960), (2, 1991480), (4, 995740), (5, 796592), (8, 497870), (10, 398296), (16, 248935), (20, 199148), (40, 99574), (80, 49787)]