8329780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3821}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 17657640

約数和(自身を除く): 9327860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3821, 7642, 15284, 19105, 38210, 76420, 416489, 832978, 1665956, 2082445, 4164890, 8329780]

約数ペア:

[(1, 8329780), (2, 4164890), (4, 2082445), (5, 1665956), (10, 832978), (20, 416489), (109, 76420), (218, 38210), (436, 19105), (545, 15284), (1090, 7642), (2180, 3821)]