39904000

素因数分解:

$2^8\times 5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 105225120

約数和(自身を除く): 65321120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 43, 50, 58, 64, 80, 86, 100, 116, 125, 128, 145, 160, 172, 200, 215, 232, 250, 256, 290, 320, 344, 400, 430, 464, 500, 580, 640, 688, 725, 800, 860, 928, 1000, 1075, 1160, 1247, 1280, 1376, 1450, 1600, 1720, 1856, 2000, 2150, 2320, 2494, 2752, 2900, 3200, 3440, 3625, 3712, 4000, 4300, 4640, 4988, 5375, 5504, 5800, 6235, 6400, 6880, 7250, 7424, 8000, 8600, 9280, 9976, 10750, 11008, 11600, 12470, 13760, 14500, 16000, 17200, 18560, 19952, 21500, 23200, 24940, 27520, 29000, 31175, 32000, 34400, 37120, 39904, 43000, 46400, 49880, 55040, 58000, 62350, 68800, 79808, 86000, 92800, 99760, 116000, 124700, 137600, 155875, 159616, 172000, 185600, 199520, 232000, 249400, 275200, 311750, 319232, 344000, 399040, 464000, 498800, 623500, 688000, 798080, 928000, 997600, 1247000, 1376000, 1596160, 1995200, 2494000, 3990400, 4988000, 7980800, 9976000, 19952000, 39904000]

約数ペア:

[(1, 39904000), (2, 19952000), (4, 9976000), (5, 7980800), (8, 4988000), (10, 3990400), (16, 2494000), (20, 1995200), (25, 1596160), (29, 1376000), (32, 1247000), (40, 997600), (43, 928000), (50, 798080), (58, 688000), (64, 623500), (80, 498800), (86, 464000), (100, 399040), (116, 344000), (125, 319232), (128, 311750), (145, 275200), (160, 249400), (172, 232000), (200, 199520), (215, 185600), (232, 172000), (250, 159616), (256, 155875), (290, 137600), (320, 124700), (344, 116000), (400, 99760), (430, 92800), (464, 86000), (500, 79808), (580, 68800), (640, 62350), (688, 58000), (725, 55040), (800, 49880), (860, 46400), (928, 43000), (1000, 39904), (1075, 37120), (1160, 34400), (1247, 32000), (1280, 31175), (1376, 29000), (1450, 27520), (1600, 24940), (1720, 23200), (1856, 21500), (2000, 19952), (2150, 18560), (2320, 17200), (2494, 16000), (2752, 14500), (2900, 13760), (3200, 12470), (3440, 11600), (3625, 11008), (3712, 10750), (4000, 9976), (4300, 9280), (4640, 8600), (4988, 8000), (5375, 7424), (5504, 7250), (5800, 6880), (6235, 6400)]