2575000

素因数分解:

$2^3\times 5^5\times {\mathrm{103}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 6093360

約数和(自身を除く): 3518360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 125, 200, 206, 250, 412, 500, 515, 625, 824, 1000, 1030, 1250, 2060, 2500, 2575, 3125, 4120, 5000, 5150, 6250, 10300, 12500, 12875, 20600, 25000, 25750, 51500, 64375, 103000, 128750, 257500, 321875, 515000, 643750, 1287500, 2575000]

約数ペア:

[(1, 2575000), (2, 1287500), (4, 643750), (5, 515000), (8, 321875), (10, 257500), (20, 128750), (25, 103000), (40, 64375), (50, 51500), (100, 25750), (103, 25000), (125, 20600), (200, 12875), (206, 12500), (250, 10300), (412, 6250), (500, 5150), (515, 5000), (625, 4120), (824, 3125), (1000, 2575), (1030, 2500), (1250, 2060)]