255961810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{12541}}^1$

素因数の和:12718

約数の個数: 32

約数和(自身を含む): 499372272

約数和(自身を除く): 243410462

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 12541, 20410, 25082, 62705, 125410, 163033, 326066, 815165, 1630330, 1968937, 3937874, 9844685, 19689370, 25596181, 51192362, 127980905, 255961810]

約数ペア:

[(1, 255961810), (2, 127980905), (5, 51192362), (10, 25596181), (13, 19689370), (26, 9844685), (65, 3937874), (130, 1968937), (157, 1630330), (314, 815165), (785, 326066), (1570, 163033), (2041, 125410), (4082, 62705), (10205, 25082), (12541, 20410)]