12470000

素因数分解:

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

素因数の和:100

約数の個数: 100

約数和(自身を含む): 31958520

約数和(自身を除く): 19488520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 43, 50, 58, 80, 86, 100, 116, 125, 145, 172, 200, 215, 232, 250, 290, 344, 400, 430, 464, 500, 580, 625, 688, 725, 860, 1000, 1075, 1160, 1247, 1250, 1450, 1720, 2000, 2150, 2320, 2494, 2500, 2900, 3440, 3625, 4300, 4988, 5000, 5375, 5800, 6235, 7250, 8600, 9976, 10000, 10750, 11600, 12470, 14500, 17200, 18125, 19952, 21500, 24940, 26875, 29000, 31175, 36250, 43000, 49880, 53750, 58000, 62350, 72500, 86000, 99760, 107500, 124700, 145000, 155875, 215000, 249400, 290000, 311750, 430000, 498800, 623500, 779375, 1247000, 1558750, 2494000, 3117500, 6235000, 12470000]

約数ペア:

[(1, 12470000), (2, 6235000), (4, 3117500), (5, 2494000), (8, 1558750), (10, 1247000), (16, 779375), (20, 623500), (25, 498800), (29, 430000), (40, 311750), (43, 290000), (50, 249400), (58, 215000), (80, 155875), (86, 145000), (100, 124700), (116, 107500), (125, 99760), (145, 86000), (172, 72500), (200, 62350), (215, 58000), (232, 53750), (250, 49880), (290, 43000), (344, 36250), (400, 31175), (430, 29000), (464, 26875), (500, 24940), (580, 21500), (625, 19952), (688, 18125), (725, 17200), (860, 14500), (1000, 12470), (1075, 11600), (1160, 10750), (1247, 10000), (1250, 9976), (1450, 8600), (1720, 7250), (2000, 6235), (2150, 5800), (2320, 5375), (2494, 5000), (2500, 4988), (2900, 4300), (3440, 3625)]