51528440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9403}}^1$

素因数の和:9551

約数の個数: 32

約数和(自身を含む): 116797680

約数和(自身を除く): 65269240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 9403, 18806, 37612, 47015, 75224, 94030, 188060, 376120, 1288211, 2576422, 5152844, 6441055, 10305688, 12882110, 25764220, 51528440]

約数ペア:

[(1, 51528440), (2, 25764220), (4, 12882110), (5, 10305688), (8, 6441055), (10, 5152844), (20, 2576422), (40, 1288211), (137, 376120), (274, 188060), (548, 94030), (685, 75224), (1096, 47015), (1370, 37612), (2740, 18806), (5480, 9403)]