8600000

素因数分解:

$2^6\times 5^5\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 84

約数和(自身を含む): 21826728

約数和(自身を除く): 13226728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 125, 160, 172, 200, 215, 250, 320, 344, 400, 430, 500, 625, 688, 800, 860, 1000, 1075, 1250, 1376, 1600, 1720, 2000, 2150, 2500, 2752, 3125, 3440, 4000, 4300, 5000, 5375, 6250, 6880, 8000, 8600, 10000, 10750, 12500, 13760, 17200, 20000, 21500, 25000, 26875, 34400, 40000, 43000, 50000, 53750, 68800, 86000, 100000, 107500, 134375, 172000, 200000, 215000, 268750, 344000, 430000, 537500, 860000, 1075000, 1720000, 2150000, 4300000, 8600000]

約数ペア:

[(1, 8600000), (2, 4300000), (4, 2150000), (5, 1720000), (8, 1075000), (10, 860000), (16, 537500), (20, 430000), (25, 344000), (32, 268750), (40, 215000), (43, 200000), (50, 172000), (64, 134375), (80, 107500), (86, 100000), (100, 86000), (125, 68800), (160, 53750), (172, 50000), (200, 43000), (215, 40000), (250, 34400), (320, 26875), (344, 25000), (400, 21500), (430, 20000), (500, 17200), (625, 13760), (688, 12500), (800, 10750), (860, 10000), (1000, 8600), (1075, 8000), (1250, 6880), (1376, 6250), (1600, 5375), (1720, 5000), (2000, 4300), (2150, 4000), (2500, 3440), (2752, 3125)]