5155000

素因数分解:

$2^3\times 5^4\times {\mathrm{1031}}^1$

素因数の和:1057

約数の個数: 40

約数和(自身を含む): 12089880

約数和(自身を除く): 6934880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1031, 1250, 2062, 2500, 4124, 5000, 5155, 8248, 10310, 20620, 25775, 41240, 51550, 103100, 128875, 206200, 257750, 515500, 644375, 1031000, 1288750, 2577500, 5155000]

約数ペア:

[(1, 5155000), (2, 2577500), (4, 1288750), (5, 1031000), (8, 644375), (10, 515500), (20, 257750), (25, 206200), (40, 128875), (50, 103100), (100, 51550), (125, 41240), (200, 25775), (250, 20620), (500, 10310), (625, 8248), (1000, 5155), (1031, 5000), (1250, 4124), (2062, 2500)]