51550000

素因数分解:

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

素因数の和:1064

約数の個数: 60

約数和(自身を含む): 124960752

約数和(自身を除く): 73410752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1031, 1250, 2000, 2062, 2500, 3125, 4124, 5000, 5155, 6250, 8248, 10000, 10310, 12500, 16496, 20620, 25000, 25775, 41240, 50000, 51550, 82480, 103100, 128875, 206200, 257750, 412400, 515500, 644375, 1031000, 1288750, 2062000, 2577500, 3221875, 5155000, 6443750, 10310000, 12887500, 25775000, 51550000]

約数ペア:

[(1, 51550000), (2, 25775000), (4, 12887500), (5, 10310000), (8, 6443750), (10, 5155000), (16, 3221875), (20, 2577500), (25, 2062000), (40, 1288750), (50, 1031000), (80, 644375), (100, 515500), (125, 412400), (200, 257750), (250, 206200), (400, 128875), (500, 103100), (625, 82480), (1000, 51550), (1031, 50000), (1250, 41240), (2000, 25775), (2062, 25000), (2500, 20620), (3125, 16496), (4124, 12500), (5000, 10310), (5155, 10000), (6250, 8248)]