25609168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123121}}^1$

素因数の和:123142

約数の個数: 20

約数和(自身を含む): 53434948

約数和(自身を除く): 27825780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123121, 246242, 492484, 984968, 1600573, 1969936, 3201146, 6402292, 12804584, 25609168]

約数ペア:

[(1, 25609168), (2, 12804584), (4, 6402292), (8, 3201146), (13, 1969936), (16, 1600573), (26, 984968), (52, 492484), (104, 246242), (208, 123121)]