78825220

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{12433}}^1$

素因数の和:12759

約数の個数: 24

約数和(自身を含む): 166068504

約数和(自身を除く): 87243284

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 12433, 24866, 49732, 62165, 124330, 248660, 3941261, 7882522, 15765044, 19706305, 39412610, 78825220]

約数ペア:

[(1, 78825220), (2, 39412610), (4, 19706305), (5, 15765044), (10, 7882522), (20, 3941261), (317, 248660), (634, 124330), (1268, 62165), (1585, 49732), (3170, 24866), (6340, 12433)]