20149000

素因数分解:

$2^3\times 5^3\times {\mathrm{20149}}^1$

素因数の和:20170

約数の個数: 32

約数和(自身を含む): 47151000

約数和(自身を除く): 27002000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20149, 40298, 80596, 100745, 161192, 201490, 402980, 503725, 805960, 1007450, 2014900, 2518625, 4029800, 5037250, 10074500, 20149000]

約数ペア:

[(1, 20149000), (2, 10074500), (4, 5037250), (5, 4029800), (8, 2518625), (10, 2014900), (20, 1007450), (25, 805960), (40, 503725), (50, 402980), (100, 201490), (125, 161192), (200, 100745), (250, 80596), (500, 40298), (1000, 20149)]