2019290780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7766503}}^1$

素因数の和:7766525

約数の個数: 24

約数和(自身を含む): 4566704352

約数和(自身を除く): 2547413572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7766503, 15533006, 31066012, 38832515, 77665030, 100964539, 155330060, 201929078, 403858156, 504822695, 1009645390, 2019290780]

約数ペア:

[(1, 2019290780), (2, 1009645390), (4, 504822695), (5, 403858156), (10, 201929078), (13, 155330060), (20, 100964539), (26, 77665030), (52, 38832515), (65, 31066012), (130, 15533006), (260, 7766503)]