8557000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 20592000

約数和(自身を除く): 12035000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 199, 200, 215, 250, 344, 398, 430, 500, 796, 860, 995, 1000, 1075, 1592, 1720, 1990, 2150, 3980, 4300, 4975, 5375, 7960, 8557, 8600, 9950, 10750, 17114, 19900, 21500, 24875, 34228, 39800, 42785, 43000, 49750, 68456, 85570, 99500, 171140, 199000, 213925, 342280, 427850, 855700, 1069625, 1711400, 2139250, 4278500, 8557000]

約数ペア:

[(1, 8557000), (2, 4278500), (4, 2139250), (5, 1711400), (8, 1069625), (10, 855700), (20, 427850), (25, 342280), (40, 213925), (43, 199000), (50, 171140), (86, 99500), (100, 85570), (125, 68456), (172, 49750), (199, 43000), (200, 42785), (215, 39800), (250, 34228), (344, 24875), (398, 21500), (430, 19900), (500, 17114), (796, 10750), (860, 9950), (995, 8600), (1000, 8557), (1075, 7960), (1592, 5375), (1720, 4975), (1990, 4300), (2150, 3980)]