39874000

素因数分解:

$2^4\times 5^3\times {\mathrm{19937}}^1$

素因数の和:19960

約数の個数: 40

約数和(自身を含む): 96420168

約数和(自身を除く): 56546168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 19937, 39874, 79748, 99685, 159496, 199370, 318992, 398740, 498425, 797480, 996850, 1594960, 1993700, 2492125, 3987400, 4984250, 7974800, 9968500, 19937000, 39874000]

約数ペア:

[(1, 39874000), (2, 19937000), (4, 9968500), (5, 7974800), (8, 4984250), (10, 3987400), (16, 2492125), (20, 1993700), (25, 1594960), (40, 996850), (50, 797480), (80, 498425), (100, 398740), (125, 318992), (200, 199370), (250, 159496), (400, 99685), (500, 79748), (1000, 39874), (2000, 19937)]