25879856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{39451}}^1$

素因数の和:39500

約数の個数: 20

約数和(自身を含む): 51366504

約数和(自身を除く): 25486648

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 39451, 78902, 157804, 315608, 631216, 1617491, 3234982, 6469964, 12939928, 25879856]

約数ペア:

[(1, 25879856), (2, 12939928), (4, 6469964), (8, 3234982), (16, 1617491), (41, 631216), (82, 315608), (164, 157804), (328, 78902), (656, 39451)]