20150390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155003}}^1$

素因数の和:155023

約数の個数: 16

約数和(自身を含む): 39061008

約数和(自身を除く): 18910618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155003, 310006, 775015, 1550030, 2015039, 4030078, 10075195, 20150390]

約数ペア:

[(1, 20150390), (2, 10075195), (5, 4030078), (10, 2015039), (13, 1550030), (26, 775015), (65, 310006), (130, 155003)]