80013800

素因数分解:

$2^3\times 5^2\times {\mathrm{400069}}^1$

素因数の和:400085

約数の個数: 24

約数和(自身を含む): 186032550

約数和(自身を除く): 106018750

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 400069, 800138, 1600276, 2000345, 3200552, 4000690, 8001380, 10001725, 16002760, 20003450, 40006900, 80013800]

約数ペア:

[(1, 80013800), (2, 40006900), (4, 20003450), (5, 16002760), (8, 10001725), (10, 8001380), (20, 4000690), (25, 3200552), (40, 2000345), (50, 1600276), (100, 800138), (200, 400069)]