25220390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{194003}}^1$

素因数の和:194023

約数の個数: 16

約数和(自身を含む): 48889008

約数和(自身を除く): 23668618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 194003, 388006, 970015, 1940030, 2522039, 5044078, 12610195, 25220390]

約数ペア:

[(1, 25220390), (2, 12610195), (5, 5044078), (10, 2522039), (13, 1940030), (26, 970015), (65, 388006), (130, 194003)]