445520

素因数分解:

$2^4\times 5^1\times {\mathrm{5569}}^1$

素因数の和:5582

約数の個数: 20

約数和(自身を含む): 1036020

約数和(自身を除く): 590500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5569, 11138, 22276, 27845, 44552, 55690, 89104, 111380, 222760, 445520]

約数ペア:

[(1, 445520), (2, 222760), (4, 111380), (5, 89104), (8, 55690), (10, 44552), (16, 27845), (20, 22276), (40, 11138), (80, 5569)]