51052880

素因数分解:

$2^4\times 5^1\times {\mathrm{638161}}^1$

素因数の和:638174

約数の個数: 20

約数和(自身を含む): 118698132

約数和(自身を除く): 67645252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638161, 1276322, 2552644, 3190805, 5105288, 6381610, 10210576, 12763220, 25526440, 51052880]

約数ペア:

[(1, 51052880), (2, 25526440), (4, 12763220), (5, 10210576), (8, 6381610), (10, 5105288), (16, 3190805), (20, 2552644), (40, 1276322), (80, 638161)]