54890480

素因数分解:

$2^4\times 5^1\times {\mathrm{686131}}^1$

素因数の和:686144

約数の個数: 20

約数和(自身を含む): 127620552

約数和(自身を除く): 72730072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 686131, 1372262, 2744524, 3430655, 5489048, 6861310, 10978096, 13722620, 27445240, 54890480]

約数ペア:

[(1, 54890480), (2, 27445240), (4, 13722620), (5, 10978096), (8, 6861310), (10, 5489048), (16, 3430655), (20, 2744524), (40, 1372262), (80, 686131)]