25804000

素因数分解:

$2^5\times 5^3\times {\mathrm{6451}}^1$

素因数の和:6476

約数の個数: 48

約数和(自身を含む): 63410256

約数和(自身を除く): 37606256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6451, 12902, 25804, 32255, 51608, 64510, 103216, 129020, 161275, 206432, 258040, 322550, 516080, 645100, 806375, 1032160, 1290200, 1612750, 2580400, 3225500, 5160800, 6451000, 12902000, 25804000]

約数ペア:

[(1, 25804000), (2, 12902000), (4, 6451000), (5, 5160800), (8, 3225500), (10, 2580400), (16, 1612750), (20, 1290200), (25, 1032160), (32, 806375), (40, 645100), (50, 516080), (80, 322550), (100, 258040), (125, 206432), (160, 161275), (200, 129020), (250, 103216), (400, 64510), (500, 51608), (800, 32255), (1000, 25804), (2000, 12902), (4000, 6451)]