49880000

素因数分解:

$2^6\times 5^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 140

約数和(自身を含む): 130926840

約数和(自身を除く): 81046840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 43, 50, 58, 64, 80, 86, 100, 116, 125, 145, 160, 172, 200, 215, 232, 250, 290, 320, 344, 400, 430, 464, 500, 580, 625, 688, 725, 800, 860, 928, 1000, 1075, 1160, 1247, 1250, 1376, 1450, 1600, 1720, 1856, 2000, 2150, 2320, 2494, 2500, 2752, 2900, 3440, 3625, 4000, 4300, 4640, 4988, 5000, 5375, 5800, 6235, 6880, 7250, 8000, 8600, 9280, 9976, 10000, 10750, 11600, 12470, 13760, 14500, 17200, 18125, 19952, 20000, 21500, 23200, 24940, 26875, 29000, 31175, 34400, 36250, 39904, 40000, 43000, 46400, 49880, 53750, 58000, 62350, 68800, 72500, 79808, 86000, 99760, 107500, 116000, 124700, 145000, 155875, 172000, 199520, 215000, 232000, 249400, 290000, 311750, 344000, 399040, 430000, 498800, 580000, 623500, 779375, 860000, 997600, 1160000, 1247000, 1558750, 1720000, 1995200, 2494000, 3117500, 4988000, 6235000, 9976000, 12470000, 24940000, 49880000]

約数ペア:

[(1, 49880000), (2, 24940000), (4, 12470000), (5, 9976000), (8, 6235000), (10, 4988000), (16, 3117500), (20, 2494000), (25, 1995200), (29, 1720000), (32, 1558750), (40, 1247000), (43, 1160000), (50, 997600), (58, 860000), (64, 779375), (80, 623500), (86, 580000), (100, 498800), (116, 430000), (125, 399040), (145, 344000), (160, 311750), (172, 290000), (200, 249400), (215, 232000), (232, 215000), (250, 199520), (290, 172000), (320, 155875), (344, 145000), (400, 124700), (430, 116000), (464, 107500), (500, 99760), (580, 86000), (625, 79808), (688, 72500), (725, 68800), (800, 62350), (860, 58000), (928, 53750), (1000, 49880), (1075, 46400), (1160, 43000), (1247, 40000), (1250, 39904), (1376, 36250), (1450, 34400), (1600, 31175), (1720, 29000), (1856, 26875), (2000, 24940), (2150, 23200), (2320, 21500), (2494, 20000), (2500, 19952), (2752, 18125), (2900, 17200), (3440, 14500), (3625, 13760), (4000, 12470), (4300, 11600), (4640, 10750), (4988, 10000), (5000, 9976), (5375, 9280), (5800, 8600), (6235, 8000), (6880, 7250)]