82285520

素因数分解:

$2^4\times 5^1\times {\mathrm{1028569}}^1$

素因数の和:1028582

約数の個数: 20

約数和(自身を含む): 191314020

約数和(自身を除く): 109028500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1028569, 2057138, 4114276, 5142845, 8228552, 10285690, 16457104, 20571380, 41142760, 82285520]

約数ペア:

[(1, 82285520), (2, 41142760), (4, 20571380), (5, 16457104), (8, 10285690), (10, 8228552), (16, 5142845), (20, 4114276), (40, 2057138), (80, 1028569)]