796000

素因数分解:

$2^5\times 5^3\times {\mathrm{199}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 1965600

約数和(自身を除く): 1169600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 199, 200, 250, 398, 400, 500, 796, 800, 995, 1000, 1592, 1990, 2000, 3184, 3980, 4000, 4975, 6368, 7960, 9950, 15920, 19900, 24875, 31840, 39800, 49750, 79600, 99500, 159200, 199000, 398000, 796000]

約数ペア:

[(1, 796000), (2, 398000), (4, 199000), (5, 159200), (8, 99500), (10, 79600), (16, 49750), (20, 39800), (25, 31840), (32, 24875), (40, 19900), (50, 15920), (80, 9950), (100, 7960), (125, 6368), (160, 4975), (199, 4000), (200, 3980), (250, 3184), (398, 2000), (400, 1990), (500, 1592), (796, 1000), (800, 995)]