51640520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56131}}^1$

素因数の和:56165

約数の個数: 32

約数和(自身を含む): 121245120

約数和(自身を除く): 69604600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 56131, 112262, 224524, 280655, 449048, 561310, 1122620, 1291013, 2245240, 2582026, 5164052, 6455065, 10328104, 12910130, 25820260, 51640520]

約数ペア:

[(1, 51640520), (2, 25820260), (4, 12910130), (5, 10328104), (8, 6455065), (10, 5164052), (20, 2582026), (23, 2245240), (40, 1291013), (46, 1122620), (92, 561310), (115, 449048), (184, 280655), (230, 224524), (460, 112262), (920, 56131)]