8842640

素因数分解:

$2^4\times 5^1\times {\mathrm{110533}}^1$

素因数の和:110546

約数の個数: 20

約数和(自身を含む): 20559324

約数和(自身を除く): 11716684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110533, 221066, 442132, 552665, 884264, 1105330, 1768528, 2210660, 4421320, 8842640]

約数ペア:

[(1, 8842640), (2, 4421320), (4, 2210660), (5, 1768528), (8, 1105330), (10, 884264), (16, 552665), (20, 442132), (40, 221066), (80, 110533)]