210849040

素因数分解:

$2^4\times 5^1\times {\mathrm{2635613}}^1$

素因数の和:2635626

約数の個数: 20

約数和(自身を含む): 490224204

約数和(自身を除く): 279375164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2635613, 5271226, 10542452, 13178065, 21084904, 26356130, 42169808, 52712260, 105424520, 210849040]

約数ペア:

[(1, 210849040), (2, 105424520), (4, 52712260), (5, 42169808), (8, 26356130), (10, 21084904), (16, 13178065), (20, 10542452), (40, 5271226), (80, 2635613)]