25764220

素因数分解:

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

素因数の和:9549

約数の個数: 24

約数和(自身を含む): 54505584

約数和(自身を除く): 28741364

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 9403, 18806, 37612, 47015, 94030, 188060, 1288211, 2576422, 5152844, 6441055, 12882110, 25764220]

約数ペア:

[(1, 25764220), (2, 12882110), (4, 6441055), (5, 5152844), (10, 2576422), (20, 1288211), (137, 188060), (274, 94030), (548, 47015), (685, 37612), (1370, 18806), (2740, 9403)]