40840760

素因数分解:

$2^3\times 5^1\times {\mathrm{1021019}}^1$

素因数の和:1021030

約数の個数: 16

約数和(自身を含む): 91891800

約数和(自身を除く): 51051040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021019, 2042038, 4084076, 5105095, 8168152, 10210190, 20420380, 40840760]

約数ペア:

[(1, 40840760), (2, 20420380), (4, 10210190), (5, 8168152), (8, 5105095), (10, 4084076), (20, 2042038), (40, 1021019)]