25761424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123853}}^1$

素因数の和:123874

約数の個数: 20

約数和(自身を含む): 53752636

約数和(自身を除く): 27991212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123853, 247706, 495412, 990824, 1610089, 1981648, 3220178, 6440356, 12880712, 25761424]

約数ペア:

[(1, 25761424), (2, 12880712), (4, 6440356), (8, 3220178), (13, 1981648), (16, 1610089), (26, 990824), (52, 495412), (104, 247706), (208, 123853)]