85570000

素因数分解:

$2^4\times 5^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 100

約数和(自身を含む): 213056800

約数和(自身を除く): 127486800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 199, 200, 215, 250, 344, 398, 400, 430, 500, 625, 688, 796, 860, 995, 1000, 1075, 1250, 1592, 1720, 1990, 2000, 2150, 2500, 3184, 3440, 3980, 4300, 4975, 5000, 5375, 7960, 8557, 8600, 9950, 10000, 10750, 15920, 17114, 17200, 19900, 21500, 24875, 26875, 34228, 39800, 42785, 43000, 49750, 53750, 68456, 79600, 85570, 86000, 99500, 107500, 124375, 136912, 171140, 199000, 213925, 215000, 248750, 342280, 398000, 427850, 430000, 497500, 684560, 855700, 995000, 1069625, 1711400, 1990000, 2139250, 3422800, 4278500, 5348125, 8557000, 10696250, 17114000, 21392500, 42785000, 85570000]

約数ペア:

[(1, 85570000), (2, 42785000), (4, 21392500), (5, 17114000), (8, 10696250), (10, 8557000), (16, 5348125), (20, 4278500), (25, 3422800), (40, 2139250), (43, 1990000), (50, 1711400), (80, 1069625), (86, 995000), (100, 855700), (125, 684560), (172, 497500), (199, 430000), (200, 427850), (215, 398000), (250, 342280), (344, 248750), (398, 215000), (400, 213925), (430, 199000), (500, 171140), (625, 136912), (688, 124375), (796, 107500), (860, 99500), (995, 86000), (1000, 85570), (1075, 79600), (1250, 68456), (1592, 53750), (1720, 49750), (1990, 43000), (2000, 42785), (2150, 39800), (2500, 34228), (3184, 26875), (3440, 24875), (3980, 21500), (4300, 19900), (4975, 17200), (5000, 17114), (5375, 15920), (7960, 10750), (8557, 10000), (8600, 9950)]