71680780

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{4153}}^1$

素因数の和:5025

約数の個数: 24

約数和(自身を含む): 150740352

約数和(自身を除く): 79059572

約数列:

[1, 2, 4, 5, 10, 20, 863, 1726, 3452, 4153, 4315, 8306, 8630, 16612, 17260, 20765, 41530, 83060, 3584039, 7168078, 14336156, 17920195, 35840390, 71680780]

約数ペア:

[(1, 71680780), (2, 35840390), (4, 17920195), (5, 14336156), (10, 7168078), (20, 3584039), (863, 83060), (1726, 41530), (3452, 20765), (4153, 17260), (4315, 16612), (8306, 8630)]