12893120

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:997

約数の個数: 56

約数和(自身を含む): 31449264

約数和(自身を除く): 18556144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 937, 1376, 1720, 1874, 2752, 3440, 3748, 4685, 6880, 7496, 9370, 13760, 14992, 18740, 29984, 37480, 40291, 59968, 74960, 80582, 149920, 161164, 201455, 299840, 322328, 402910, 644656, 805820, 1289312, 1611640, 2578624, 3223280, 6446560, 12893120]

約数ペア:

[(1, 12893120), (2, 6446560), (4, 3223280), (5, 2578624), (8, 1611640), (10, 1289312), (16, 805820), (20, 644656), (32, 402910), (40, 322328), (43, 299840), (64, 201455), (80, 161164), (86, 149920), (160, 80582), (172, 74960), (215, 59968), (320, 40291), (344, 37480), (430, 29984), (688, 18740), (860, 14992), (937, 13760), (1376, 9370), (1720, 7496), (1874, 6880), (2752, 4685), (3440, 3748)]