25555984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{11491}}^1$

素因数の和:11638

約数の個数: 20

約数和(自身を含む): 49875280

約数和(自身を除く): 24319296

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 11491, 22982, 45964, 91928, 183856, 1597249, 3194498, 6388996, 12777992, 25555984]

約数ペア:

[(1, 25555984), (2, 12777992), (4, 6388996), (8, 3194498), (16, 1597249), (139, 183856), (278, 91928), (556, 45964), (1112, 22982), (2224, 11491)]