131491040

素因数分解:

$2^5\times 5^1\times {\mathrm{821819}}^1$

素因数の和:821834

約数の個数: 24

約数和(自身を含む): 310647960

約数和(自身を除く): 179156920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 821819, 1643638, 3287276, 4109095, 6574552, 8218190, 13149104, 16436380, 26298208, 32872760, 65745520, 131491040]

約数ペア:

[(1, 131491040), (2, 65745520), (4, 32872760), (5, 26298208), (8, 16436380), (10, 13149104), (16, 8218190), (20, 6574552), (32, 4109095), (40, 3287276), (80, 1643638), (160, 821819)]