2585000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 6747840

約数和(自身を除く): 4162840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 47, 50, 55, 88, 94, 100, 110, 125, 188, 200, 220, 235, 250, 275, 376, 440, 470, 500, 517, 550, 625, 940, 1000, 1034, 1100, 1175, 1250, 1375, 1880, 2068, 2200, 2350, 2500, 2585, 2750, 4136, 4700, 5000, 5170, 5500, 5875, 6875, 9400, 10340, 11000, 11750, 12925, 13750, 20680, 23500, 25850, 27500, 29375, 47000, 51700, 55000, 58750, 64625, 103400, 117500, 129250, 235000, 258500, 323125, 517000, 646250, 1292500, 2585000]

約数ペア:

[(1, 2585000), (2, 1292500), (4, 646250), (5, 517000), (8, 323125), (10, 258500), (11, 235000), (20, 129250), (22, 117500), (25, 103400), (40, 64625), (44, 58750), (47, 55000), (50, 51700), (55, 47000), (88, 29375), (94, 27500), (100, 25850), (110, 23500), (125, 20680), (188, 13750), (200, 12925), (220, 11750), (235, 11000), (250, 10340), (275, 9400), (376, 6875), (440, 5875), (470, 5500), (500, 5170), (517, 5000), (550, 4700), (625, 4136), (940, 2750), (1000, 2585), (1034, 2500), (1100, 2350), (1175, 2200), (1250, 2068), (1375, 1880)]