3981820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{757}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 8404704

約数和(自身を除く): 4422884

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 757, 1052, 1315, 1514, 2630, 3028, 3785, 5260, 7570, 15140, 199091, 398182, 796364, 995455, 1990910, 3981820]

約数ペア:

[(1, 3981820), (2, 1990910), (4, 995455), (5, 796364), (10, 398182), (20, 199091), (263, 15140), (526, 7570), (757, 5260), (1052, 3785), (1315, 3028), (1514, 2630)]