25265552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121469}}^1$

素因数の和:121490

約数の個数: 20

約数和(自身を含む): 52717980

約数和(自身を除く): 27452428

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121469, 242938, 485876, 971752, 1579097, 1943504, 3158194, 6316388, 12632776, 25265552]

約数ペア:

[(1, 25265552), (2, 12632776), (4, 6316388), (8, 3158194), (13, 1943504), (16, 1579097), (26, 971752), (52, 485876), (104, 242938), (208, 121469)]