51700000

素因数分解:

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

素因数の和:93

約数の個数: 144

約数和(自身を含む): 141740928

約数和(自身を除く): 90040928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 47, 50, 55, 80, 88, 94, 100, 110, 125, 160, 176, 188, 200, 220, 235, 250, 275, 352, 376, 400, 440, 470, 500, 517, 550, 625, 752, 800, 880, 940, 1000, 1034, 1100, 1175, 1250, 1375, 1504, 1760, 1880, 2000, 2068, 2200, 2350, 2500, 2585, 2750, 3125, 3760, 4000, 4136, 4400, 4700, 5000, 5170, 5500, 5875, 6250, 6875, 7520, 8272, 8800, 9400, 10000, 10340, 11000, 11750, 12500, 12925, 13750, 16544, 18800, 20000, 20680, 22000, 23500, 25000, 25850, 27500, 29375, 34375, 37600, 41360, 44000, 47000, 50000, 51700, 55000, 58750, 64625, 68750, 82720, 94000, 100000, 103400, 110000, 117500, 129250, 137500, 146875, 188000, 206800, 220000, 235000, 258500, 275000, 293750, 323125, 413600, 470000, 517000, 550000, 587500, 646250, 940000, 1034000, 1100000, 1175000, 1292500, 1615625, 2068000, 2350000, 2585000, 3231250, 4700000, 5170000, 6462500, 10340000, 12925000, 25850000, 51700000]

約数ペア:

[(1, 51700000), (2, 25850000), (4, 12925000), (5, 10340000), (8, 6462500), (10, 5170000), (11, 4700000), (16, 3231250), (20, 2585000), (22, 2350000), (25, 2068000), (32, 1615625), (40, 1292500), (44, 1175000), (47, 1100000), (50, 1034000), (55, 940000), (80, 646250), (88, 587500), (94, 550000), (100, 517000), (110, 470000), (125, 413600), (160, 323125), (176, 293750), (188, 275000), (200, 258500), (220, 235000), (235, 220000), (250, 206800), (275, 188000), (352, 146875), (376, 137500), (400, 129250), (440, 117500), (470, 110000), (500, 103400), (517, 100000), (550, 94000), (625, 82720), (752, 68750), (800, 64625), (880, 58750), (940, 55000), (1000, 51700), (1034, 50000), (1100, 47000), (1175, 44000), (1250, 41360), (1375, 37600), (1504, 34375), (1760, 29375), (1880, 27500), (2000, 25850), (2068, 25000), (2200, 23500), (2350, 22000), (2500, 20680), (2585, 20000), (2750, 18800), (3125, 16544), (3760, 13750), (4000, 12925), (4136, 12500), (4400, 11750), (4700, 11000), (5000, 10340), (5170, 10000), (5500, 9400), (5875, 8800), (6250, 8272), (6875, 7520)]