86000000

素因数分解:

$2^7\times 5^6\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 112

約数和(自身を含む): 219137820

約数和(自身を除く): 133137820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 125, 128, 160, 172, 200, 215, 250, 320, 344, 400, 430, 500, 625, 640, 688, 800, 860, 1000, 1075, 1250, 1376, 1600, 1720, 2000, 2150, 2500, 2752, 3125, 3200, 3440, 4000, 4300, 5000, 5375, 5504, 6250, 6880, 8000, 8600, 10000, 10750, 12500, 13760, 15625, 16000, 17200, 20000, 21500, 25000, 26875, 27520, 31250, 34400, 40000, 43000, 50000, 53750, 62500, 68800, 80000, 86000, 100000, 107500, 125000, 134375, 137600, 172000, 200000, 215000, 250000, 268750, 344000, 400000, 430000, 500000, 537500, 671875, 688000, 860000, 1000000, 1075000, 1343750, 1720000, 2000000, 2150000, 2687500, 3440000, 4300000, 5375000, 8600000, 10750000, 17200000, 21500000, 43000000, 86000000]

約数ペア:

[(1, 86000000), (2, 43000000), (4, 21500000), (5, 17200000), (8, 10750000), (10, 8600000), (16, 5375000), (20, 4300000), (25, 3440000), (32, 2687500), (40, 2150000), (43, 2000000), (50, 1720000), (64, 1343750), (80, 1075000), (86, 1000000), (100, 860000), (125, 688000), (128, 671875), (160, 537500), (172, 500000), (200, 430000), (215, 400000), (250, 344000), (320, 268750), (344, 250000), (400, 215000), (430, 200000), (500, 172000), (625, 137600), (640, 134375), (688, 125000), (800, 107500), (860, 100000), (1000, 86000), (1075, 80000), (1250, 68800), (1376, 62500), (1600, 53750), (1720, 50000), (2000, 43000), (2150, 40000), (2500, 34400), (2752, 31250), (3125, 27520), (3200, 26875), (3440, 25000), (4000, 21500), (4300, 20000), (5000, 17200), (5375, 16000), (5504, 15625), (6250, 13760), (6880, 12500), (8000, 10750), (8600, 10000)]