266630780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1025503}}^1$

素因数の和:1025525

約数の個数: 24

約数和(自身を含む): 602996352

約数和(自身を除く): 336365572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1025503, 2051006, 4102012, 5127515, 10255030, 13331539, 20510060, 26663078, 53326156, 66657695, 133315390, 266630780]

約数ペア:

[(1, 266630780), (2, 133315390), (4, 66657695), (5, 53326156), (10, 26663078), (13, 20510060), (20, 13331539), (26, 10255030), (52, 5127515), (65, 4102012), (130, 2051006), (260, 1025503)]