25503088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122611}}^1$

素因数の和:122632

約数の個数: 20

約数和(自身を含む): 53213608

約数和(自身を除く): 27710520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122611, 245222, 490444, 980888, 1593943, 1961776, 3187886, 6375772, 12751544, 25503088]

約数ペア:

[(1, 25503088), (2, 12751544), (4, 6375772), (8, 3187886), (13, 1961776), (16, 1593943), (26, 980888), (52, 490444), (104, 245222), (208, 122611)]