25881232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124429}}^1$

素因数の和:124450

約数の個数: 20

約数和(自身を含む): 54002620

約数和(自身を除く): 28121388

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124429, 248858, 497716, 995432, 1617577, 1990864, 3235154, 6470308, 12940616, 25881232]

約数ペア:

[(1, 25881232), (2, 12940616), (4, 6470308), (8, 3235154), (13, 1990864), (16, 1617577), (26, 995432), (52, 497716), (104, 248858), (208, 124429)]