25661584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123373}}^1$

素因数の和:123394

約数の個数: 20

約数和(自身を含む): 53544316

約数和(自身を除く): 27882732

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123373, 246746, 493492, 986984, 1603849, 1973968, 3207698, 6415396, 12830792, 25661584]

約数ペア:

[(1, 25661584), (2, 12830792), (4, 6415396), (8, 3207698), (13, 1973968), (16, 1603849), (26, 986984), (52, 493492), (104, 246746), (208, 123373)]