17888000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 49105056

約数和(自身を除く): 31217056

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, 256, 260, 320, 325, 344, 400, 416, 430, 500, 520, 559, 640, 650, 688, 800, 832, 860, 1000, 1040, 1075, 1118, 1280, 1300, 1376, 1600, 1625, 1664, 1720, 2000, 2080, 2150, 2236, 2600, 2752, 2795, 3200, 3250, 3328, 3440, 4000, 4160, 4300, 4472, 5200, 5375, 5504, 5590, 6400, 6500, 6880, 8000, 8320, 8600, 8944, 10400, 10750, 11008, 11180, 13000, 13760, 13975, 16000, 16640, 17200, 17888, 20800, 21500, 22360, 26000, 27520, 27950, 32000, 34400, 35776, 41600, 43000, 44720, 52000, 55040, 55900, 68800, 69875, 71552, 83200, 86000, 89440, 104000, 111800, 137600, 139750, 143104, 172000, 178880, 208000, 223600, 275200, 279500, 344000, 357760, 416000, 447200, 559000, 688000, 715520, 894400, 1118000, 1376000, 1788800, 2236000, 3577600, 4472000, 8944000, 17888000]

約数ペア:

[(1, 17888000), (2, 8944000), (4, 4472000), (5, 3577600), (8, 2236000), (10, 1788800), (13, 1376000), (16, 1118000), (20, 894400), (25, 715520), (26, 688000), (32, 559000), (40, 447200), (43, 416000), (50, 357760), (52, 344000), (64, 279500), (65, 275200), (80, 223600), (86, 208000), (100, 178880), (104, 172000), (125, 143104), (128, 139750), (130, 137600), (160, 111800), (172, 104000), (200, 89440), (208, 86000), (215, 83200), (250, 71552), (256, 69875), (260, 68800), (320, 55900), (325, 55040), (344, 52000), (400, 44720), (416, 43000), (430, 41600), (500, 35776), (520, 34400), (559, 32000), (640, 27950), (650, 27520), (688, 26000), (800, 22360), (832, 21500), (860, 20800), (1000, 17888), (1040, 17200), (1075, 16640), (1118, 16000), (1280, 13975), (1300, 13760), (1376, 13000), (1600, 11180), (1625, 11008), (1664, 10750), (1720, 10400), (2000, 8944), (2080, 8600), (2150, 8320), (2236, 8000), (2600, 6880), (2752, 6500), (2795, 6400), (3200, 5590), (3250, 5504), (3328, 5375), (3440, 5200), (4000, 4472), (4160, 4300)]