28286000

素因数分解:

$2^4\times 5^3\times {\mathrm{14143}}^1$

素因数の和:14166

約数の個数: 40

約数和(自身を含む): 68400384

約数和(自身を除く): 40114384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 14143, 28286, 56572, 70715, 113144, 141430, 226288, 282860, 353575, 565720, 707150, 1131440, 1414300, 1767875, 2828600, 3535750, 5657200, 7071500, 14143000, 28286000]

約数ペア:

[(1, 28286000), (2, 14143000), (4, 7071500), (5, 5657200), (8, 3535750), (10, 2828600), (16, 1767875), (20, 1414300), (25, 1131440), (40, 707150), (50, 565720), (80, 353575), (100, 282860), (125, 226288), (200, 141430), (250, 113144), (400, 70715), (500, 56572), (1000, 28286), (2000, 14143)]