4005520

素因数分解:

$2^4\times 5^1\times {\mathrm{50069}}^1$

素因数の和:50082

約数の個数: 20

約数和(自身を含む): 9313020

約数和(自身を除く): 5307500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50069, 100138, 200276, 250345, 400552, 500690, 801104, 1001380, 2002760, 4005520]

約数ペア:

[(1, 4005520), (2, 2002760), (4, 1001380), (5, 801104), (8, 500690), (10, 400552), (16, 250345), (20, 200276), (40, 100138), (80, 50069)]