12389020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{88493}}^1$

素因数の和:88509

約数の個数: 24

約数和(自身を含む): 29733984

約数和(自身を除く): 17344964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 88493, 176986, 353972, 442465, 619451, 884930, 1238902, 1769860, 2477804, 3097255, 6194510, 12389020]

約数ペア:

[(1, 12389020), (2, 6194510), (4, 3097255), (5, 2477804), (7, 1769860), (10, 1238902), (14, 884930), (20, 619451), (28, 442465), (35, 353972), (70, 176986), (140, 88493)]