51571960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117209}}^1$

素因数の和:117231

約数の個数: 32

約数和(自身を含む): 126586800

約数和(自身を除く): 75014840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117209, 234418, 468836, 586045, 937672, 1172090, 1289299, 2344180, 2578598, 4688360, 5157196, 6446495, 10314392, 12892990, 25785980, 51571960]

約数ペア:

[(1, 51571960), (2, 25785980), (4, 12892990), (5, 10314392), (8, 6446495), (10, 5157196), (11, 4688360), (20, 2578598), (22, 2344180), (40, 1289299), (44, 1172090), (55, 937672), (88, 586045), (110, 468836), (220, 234418), (440, 117209)]