25805390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198503}}^1$

素因数の和:198523

約数の個数: 16

約数和(自身を含む): 50023008

約数和(自身を除く): 24217618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 198503, 397006, 992515, 1985030, 2580539, 5161078, 12902695, 25805390]

約数ペア:

[(1, 25805390), (2, 12902695), (5, 5161078), (10, 2580539), (13, 1985030), (26, 992515), (65, 397006), (130, 198503)]