25560496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122887}}^1$

素因数の和:122908

約数の個数: 20

約数和(自身を含む): 53333392

約数和(自身を除く): 27772896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122887, 245774, 491548, 983096, 1597531, 1966192, 3195062, 6390124, 12780248, 25560496]

約数ペア:

[(1, 25560496), (2, 12780248), (4, 6390124), (8, 3195062), (13, 1966192), (16, 1597531), (26, 983096), (52, 491548), (104, 245774), (208, 122887)]