25881544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{248861}}^1$

素因数の和:248880

約数の個数: 16

約数和(自身を含む): 52261020

約数和(自身を除く): 26379476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 248861, 497722, 995444, 1990888, 3235193, 6470386, 12940772, 25881544]

約数ペア:

[(1, 25881544), (2, 12940772), (4, 6470386), (8, 3235193), (13, 1990888), (26, 995444), (52, 497722), (104, 248861)]