12956540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5101}}^1$

素因数の和:5237

約数の個数: 24

約数和(自身を含む): 27428352

約数和(自身を除く): 14471812

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 5101, 10202, 20404, 25505, 51010, 102020, 647827, 1295654, 2591308, 3239135, 6478270, 12956540]

約数ペア:

[(1, 12956540), (2, 6478270), (4, 3239135), (5, 2591308), (10, 1295654), (20, 647827), (127, 102020), (254, 51010), (508, 25505), (635, 20404), (1270, 10202), (2540, 5101)]