127804420

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{22741}}^1$

素因数の和:23031

約数の個数: 24

約数和(自身を含む): 269356248

約数和(自身を除く): 141551828

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 22741, 45482, 90964, 113705, 227410, 454820, 6390221, 12780442, 25560884, 31951105, 63902210, 127804420]

約数ペア:

[(1, 127804420), (2, 63902210), (4, 31951105), (5, 25560884), (10, 12780442), (20, 6390221), (281, 454820), (562, 227410), (1124, 113705), (1405, 90964), (2810, 45482), (5620, 22741)]