89065520

素因数分解:

$2^4\times 5^1\times {\mathrm{1113319}}^1$

素因数の和:1113332

約数の個数: 20

約数和(自身を含む): 207077520

約数和(自身を除く): 118012000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1113319, 2226638, 4453276, 5566595, 8906552, 11133190, 17813104, 22266380, 44532760, 89065520]

約数ペア:

[(1, 89065520), (2, 44532760), (4, 22266380), (5, 17813104), (8, 11133190), (10, 8906552), (16, 5566595), (20, 4453276), (40, 2226638), (80, 1113319)]