2990780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11503}}^1$

素因数の和:11525

約数の個数: 24

約数和(自身を含む): 6764352

約数和(自身を除く): 3773572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 11503, 23006, 46012, 57515, 115030, 149539, 230060, 299078, 598156, 747695, 1495390, 2990780]

約数ペア:

[(1, 2990780), (2, 1495390), (4, 747695), (5, 598156), (10, 299078), (13, 230060), (20, 149539), (26, 115030), (52, 57515), (65, 46012), (130, 23006), (260, 11503)]