56489960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32843}}^1$

素因数の和:32897

約数の個数: 32

約数和(自身を含む): 130062240

約数和(自身を除く): 73572280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32843, 65686, 131372, 164215, 262744, 328430, 656860, 1313720, 1412249, 2824498, 5648996, 7061245, 11297992, 14122490, 28244980, 56489960]

約数ペア:

[(1, 56489960), (2, 28244980), (4, 14122490), (5, 11297992), (8, 7061245), (10, 5648996), (20, 2824498), (40, 1412249), (43, 1313720), (86, 656860), (172, 328430), (215, 262744), (344, 164215), (430, 131372), (860, 65686), (1720, 32843)]