25949872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124759}}^1$

素因数の和:124780

約数の個数: 20

約数和(自身を含む): 54145840

約数和(自身を除く): 28195968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124759, 249518, 499036, 998072, 1621867, 1996144, 3243734, 6487468, 12974936, 25949872]

約数ペア:

[(1, 25949872), (2, 12974936), (4, 6487468), (8, 3243734), (13, 1996144), (16, 1621867), (26, 998072), (52, 499036), (104, 249518), (208, 124759)]