20095000

素因数分解:

$2^3\times 5^4\times {\mathrm{4019}}^1$

素因数の和:4045

約数の個数: 40

約数和(自身を含む): 47094300

約数和(自身を除く): 26999300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4019, 5000, 8038, 16076, 20095, 32152, 40190, 80380, 100475, 160760, 200950, 401900, 502375, 803800, 1004750, 2009500, 2511875, 4019000, 5023750, 10047500, 20095000]

約数ペア:

[(1, 20095000), (2, 10047500), (4, 5023750), (5, 4019000), (8, 2511875), (10, 2009500), (20, 1004750), (25, 803800), (40, 502375), (50, 401900), (100, 200950), (125, 160760), (200, 100475), (250, 80380), (500, 40190), (625, 32152), (1000, 20095), (1250, 16076), (2500, 8038), (4019, 5000)]