66950780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257503}}^1$

素因数の和:257525

約数の個数: 24

約数和(自身を含む): 151412352

約数和(自身を除く): 84461572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 257503, 515006, 1030012, 1287515, 2575030, 3347539, 5150060, 6695078, 13390156, 16737695, 33475390, 66950780]

約数ペア:

[(1, 66950780), (2, 33475390), (4, 16737695), (5, 13390156), (10, 6695078), (13, 5150060), (20, 3347539), (26, 2575030), (52, 1287515), (65, 1030012), (130, 515006), (260, 257503)]