2060000

素因数分解:

$2^5\times 5^4\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 60

約数和(自身を含む): 5117112

約数和(自身を除く): 3057112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 125, 160, 200, 206, 250, 400, 412, 500, 515, 625, 800, 824, 1000, 1030, 1250, 1648, 2000, 2060, 2500, 2575, 3296, 4000, 4120, 5000, 5150, 8240, 10000, 10300, 12875, 16480, 20000, 20600, 25750, 41200, 51500, 64375, 82400, 103000, 128750, 206000, 257500, 412000, 515000, 1030000, 2060000]

約数ペア:

[(1, 2060000), (2, 1030000), (4, 515000), (5, 412000), (8, 257500), (10, 206000), (16, 128750), (20, 103000), (25, 82400), (32, 64375), (40, 51500), (50, 41200), (80, 25750), (100, 20600), (103, 20000), (125, 16480), (160, 12875), (200, 10300), (206, 10000), (250, 8240), (400, 5150), (412, 5000), (500, 4120), (515, 4000), (625, 3296), (800, 2575), (824, 2500), (1000, 2060), (1030, 2000), (1250, 1648)]