25756540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5011}}^1$

素因数の和:5277

約数の個数: 24

約数和(自身を含む): 54310032

約数和(自身を除く): 28553492

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5011, 5140, 10022, 20044, 25055, 50110, 100220, 1287827, 2575654, 5151308, 6439135, 12878270, 25756540]

約数ペア:

[(1, 25756540), (2, 12878270), (4, 6439135), (5, 5151308), (10, 2575654), (20, 1287827), (257, 100220), (514, 50110), (1028, 25055), (1285, 20044), (2570, 10022), (5011, 5140)]