28039210

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{11171}}^1$

素因数の和:11429

約数の個数: 16

約数和(自身を含む): 50676192

約数和(自身を除く): 22636982

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 11171, 22342, 55855, 111710, 2803921, 5607842, 14019605, 28039210]

約数ペア:

[(1, 28039210), (2, 14019605), (5, 5607842), (10, 2803921), (251, 111710), (502, 55855), (1255, 22342), (2510, 11171)]