39449840

素因数分解:

$2^4\times 5^1\times {\mathrm{493123}}^1$

素因数の和:493136

約数の個数: 20

約数和(自身を含む): 91721064

約数和(自身を除く): 52271224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 493123, 986246, 1972492, 2465615, 3944984, 4931230, 7889968, 9862460, 19724920, 39449840]

約数ペア:

[(1, 39449840), (2, 19724920), (4, 9862460), (5, 7889968), (8, 4931230), (10, 3944984), (16, 2465615), (20, 1972492), (40, 986246), (80, 493123)]