10945000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 28116000

約数和(自身を除く): 17171000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 199, 200, 220, 250, 275, 398, 440, 500, 550, 625, 796, 995, 1000, 1100, 1250, 1375, 1592, 1990, 2189, 2200, 2500, 2750, 3980, 4378, 4975, 5000, 5500, 6875, 7960, 8756, 9950, 10945, 11000, 13750, 17512, 19900, 21890, 24875, 27500, 39800, 43780, 49750, 54725, 55000, 87560, 99500, 109450, 124375, 199000, 218900, 248750, 273625, 437800, 497500, 547250, 995000, 1094500, 1368125, 2189000, 2736250, 5472500, 10945000]

約数ペア:

[(1, 10945000), (2, 5472500), (4, 2736250), (5, 2189000), (8, 1368125), (10, 1094500), (11, 995000), (20, 547250), (22, 497500), (25, 437800), (40, 273625), (44, 248750), (50, 218900), (55, 199000), (88, 124375), (100, 109450), (110, 99500), (125, 87560), (199, 55000), (200, 54725), (220, 49750), (250, 43780), (275, 39800), (398, 27500), (440, 24875), (500, 21890), (550, 19900), (625, 17512), (796, 13750), (995, 11000), (1000, 10945), (1100, 9950), (1250, 8756), (1375, 7960), (1592, 6875), (1990, 5500), (2189, 5000), (2200, 4975), (2500, 4378), (2750, 3980)]