20249000

素因数分解:

$2^3\times 5^3\times {\mathrm{20249}}^1$

素因数の和:20270

約数の個数: 32

約数和(自身を含む): 47385000

約数和(自身を除く): 27136000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20249, 40498, 80996, 101245, 161992, 202490, 404980, 506225, 809960, 1012450, 2024900, 2531125, 4049800, 5062250, 10124500, 20249000]

約数ペア:

[(1, 20249000), (2, 10124500), (4, 5062250), (5, 4049800), (8, 2531125), (10, 2024900), (20, 1012450), (25, 809960), (40, 506225), (50, 404980), (100, 202490), (125, 161992), (200, 101245), (250, 80996), (500, 40498), (1000, 20249)]