2016649520

素因数分解:

$2^4\times 5^1\times {\mathrm{25208119}}^1$

素因数の和:25208132

約数の個数: 20

約数和(自身を含む): 4688710320

約数和(自身を除く): 2672060800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25208119, 50416238, 100832476, 126040595, 201664952, 252081190, 403329904, 504162380, 1008324760, 2016649520]

約数ペア:

[(1, 2016649520), (2, 1008324760), (4, 504162380), (5, 403329904), (8, 252081190), (10, 201664952), (16, 126040595), (20, 100832476), (40, 50416238), (80, 25208119)]