26680784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128273}}^1$

素因数の和:128294

約数の個数: 20

約数和(自身を含む): 55670916

約数和(自身を除く): 28990132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128273, 256546, 513092, 1026184, 1667549, 2052368, 3335098, 6670196, 13340392, 26680784]

約数ペア:

[(1, 26680784), (2, 13340392), (4, 6670196), (8, 3335098), (13, 2052368), (16, 1667549), (26, 1026184), (52, 513092), (104, 256546), (208, 128273)]