13157420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2621}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 27751248

約数和(自身を除く): 14593828

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 2621, 5020, 5242, 10484, 13105, 26210, 52420, 657871, 1315742, 2631484, 3289355, 6578710, 13157420]

約数ペア:

[(1, 13157420), (2, 6578710), (4, 3289355), (5, 2631484), (10, 1315742), (20, 657871), (251, 52420), (502, 26210), (1004, 13105), (1255, 10484), (2510, 5242), (2621, 5020)]