12804511490

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5101399}}^1$

素因数の和:5101657

約数の個数: 16

約数和(自身を含む): 23139950400

約数和(自身を除く): 10335438910

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 5101399, 10202798, 25506995, 51013990, 1280451149, 2560902298, 6402255745, 12804511490]

約数ペア:

[(1, 12804511490), (2, 6402255745), (5, 2560902298), (10, 1280451149), (251, 51013990), (502, 25506995), (1255, 10202798), (2510, 5101399)]