12879580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91997}}^1$

素因数の和:92013

約数の個数: 24

約数和(自身を含む): 30911328

約数和(自身を除く): 18031748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91997, 183994, 367988, 459985, 643979, 919970, 1287958, 1839940, 2575916, 3219895, 6439790, 12879580]

約数ペア:

[(1, 12879580), (2, 6439790), (4, 3219895), (5, 2575916), (7, 1839940), (10, 1287958), (14, 919970), (20, 643979), (28, 459985), (35, 367988), (70, 183994), (140, 91997)]