25873328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2347}}^1$

素因数の和:2421

約数の個数: 40

約数和(自身を含む): 55027728

約数和(自身を除く): 29154400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2347, 2756, 4694, 5512, 9388, 11024, 18776, 30511, 37552, 61022, 122044, 124391, 244088, 248782, 488176, 497564, 995128, 1617083, 1990256, 3234166, 6468332, 12936664, 25873328]

約数ペア:

[(1, 25873328), (2, 12936664), (4, 6468332), (8, 3234166), (13, 1990256), (16, 1617083), (26, 995128), (52, 497564), (53, 488176), (104, 248782), (106, 244088), (208, 124391), (212, 122044), (424, 61022), (689, 37552), (848, 30511), (1378, 18776), (2347, 11024), (2756, 9388), (4694, 5512)]