202881520

素因数分解:

$2^4\times 5^1\times {\mathrm{2536019}}^1$

素因数の和:2536032

約数の個数: 20

約数和(自身を含む): 471699720

約数和(自身を除く): 268818200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2536019, 5072038, 10144076, 12680095, 20288152, 25360190, 40576304, 50720380, 101440760, 202881520]

約数ペア:

[(1, 202881520), (2, 101440760), (4, 50720380), (5, 40576304), (8, 25360190), (10, 20288152), (16, 12680095), (20, 10144076), (40, 5072038), (80, 2536019)]