25740784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{39239}}^1$

素因数の和:39288

約数の個数: 20

約数和(自身を含む): 51090480

約数和(自身を除く): 25349696

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 39239, 78478, 156956, 313912, 627824, 1608799, 3217598, 6435196, 12870392, 25740784]

約数ペア:

[(1, 25740784), (2, 12870392), (4, 6435196), (8, 3217598), (16, 1608799), (41, 627824), (82, 313912), (164, 156956), (328, 78478), (656, 39239)]