2051280500

素因数分解:

$2^2\times 5^3\times {\mathrm{4102561}}^1$

素因数の和:4102580

約数の個数: 24

約数和(自身を含む): 4479997704

約数和(自身を除く): 2428717204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 4102561, 8205122, 16410244, 20512805, 41025610, 82051220, 102564025, 205128050, 410256100, 512820125, 1025640250, 2051280500]

約数ペア:

[(1, 2051280500), (2, 1025640250), (4, 512820125), (5, 410256100), (10, 205128050), (20, 102564025), (25, 82051220), (50, 41025610), (100, 20512805), (125, 16410244), (250, 8205122), (500, 4102561)]