8005520

素因数分解:

$2^4\times 5^1\times {\mathrm{100069}}^1$

素因数の和:100082

約数の個数: 20

約数和(自身を含む): 18613020

約数和(自身を除く): 10607500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 100069, 200138, 400276, 500345, 800552, 1000690, 1601104, 2001380, 4002760, 8005520]

約数ペア:

[(1, 8005520), (2, 4002760), (4, 2001380), (5, 1601104), (8, 1000690), (10, 800552), (16, 500345), (20, 400276), (40, 200138), (80, 100069)]