404257520

素因数分解:

$2^4\times 5^1\times {\mathrm{5053219}}^1$

素因数の和:5053232

約数の個数: 20

約数和(自身を含む): 939898920

約数和(自身を除く): 535641400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5053219, 10106438, 20212876, 25266095, 40425752, 50532190, 80851504, 101064380, 202128760, 404257520]

約数ペア:

[(1, 404257520), (2, 202128760), (4, 101064380), (5, 80851504), (8, 50532190), (10, 40425752), (16, 25266095), (20, 20212876), (40, 10106438), (80, 5053219)]