8944000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 128

約数和(自身を含む): 24504480

約数和(自身を除く): 15560480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 64, 65, 80, 86, 100, 104, 125, 128, 130, 160, 172, 200, 208, 215, 250, 260, 320, 325, 344, 400, 416, 430, 500, 520, 559, 640, 650, 688, 800, 832, 860, 1000, 1040, 1075, 1118, 1300, 1376, 1600, 1625, 1664, 1720, 2000, 2080, 2150, 2236, 2600, 2752, 2795, 3200, 3250, 3440, 4000, 4160, 4300, 4472, 5200, 5375, 5504, 5590, 6500, 6880, 8000, 8320, 8600, 8944, 10400, 10750, 11180, 13000, 13760, 13975, 16000, 17200, 17888, 20800, 21500, 22360, 26000, 27520, 27950, 34400, 35776, 41600, 43000, 44720, 52000, 55900, 68800, 69875, 71552, 86000, 89440, 104000, 111800, 137600, 139750, 172000, 178880, 208000, 223600, 279500, 344000, 357760, 447200, 559000, 688000, 894400, 1118000, 1788800, 2236000, 4472000, 8944000]

約数ペア:

[(1, 8944000), (2, 4472000), (4, 2236000), (5, 1788800), (8, 1118000), (10, 894400), (13, 688000), (16, 559000), (20, 447200), (25, 357760), (26, 344000), (32, 279500), (40, 223600), (43, 208000), (50, 178880), (52, 172000), (64, 139750), (65, 137600), (80, 111800), (86, 104000), (100, 89440), (104, 86000), (125, 71552), (128, 69875), (130, 68800), (160, 55900), (172, 52000), (200, 44720), (208, 43000), (215, 41600), (250, 35776), (260, 34400), (320, 27950), (325, 27520), (344, 26000), (400, 22360), (416, 21500), (430, 20800), (500, 17888), (520, 17200), (559, 16000), (640, 13975), (650, 13760), (688, 13000), (800, 11180), (832, 10750), (860, 10400), (1000, 8944), (1040, 8600), (1075, 8320), (1118, 8000), (1300, 6880), (1376, 6500), (1600, 5590), (1625, 5504), (1664, 5375), (1720, 5200), (2000, 4472), (2080, 4300), (2150, 4160), (2236, 4000), (2600, 3440), (2752, 3250), (2795, 3200)]