13205128025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{2003}}^1\times {\mathrm{2963}}^1$

素因数の和:5065

約数の個数: 24

約数和(自身を含む): 16572198240

約数和(自身を除く): 3367070215

約数列:

[1, 5, 25, 89, 445, 2003, 2225, 2963, 10015, 14815, 50075, 74075, 178267, 263707, 891335, 1318535, 4456675, 5934889, 6592675, 29674445, 148372225, 528205121, 2641025605, 13205128025]

約数ペア:

[(1, 13205128025), (5, 2641025605), (25, 528205121), (89, 148372225), (445, 29674445), (2003, 6592675), (2225, 5934889), (2963, 4456675), (10015, 1318535), (14815, 891335), (50075, 263707), (74075, 178267)]