161254000

素因数分解:

$2^4\times 5^3\times {\mathrm{80627}}^1$

素因数の和:80650

約数の個数: 40

約数和(自身を含む): 389917008

約数和(自身を除く): 228663008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 80627, 161254, 322508, 403135, 645016, 806270, 1290032, 1612540, 2015675, 3225080, 4031350, 6450160, 8062700, 10078375, 16125400, 20156750, 32250800, 40313500, 80627000, 161254000]

約数ペア:

[(1, 161254000), (2, 80627000), (4, 40313500), (5, 32250800), (8, 20156750), (10, 16125400), (16, 10078375), (20, 8062700), (25, 6450160), (40, 4031350), (50, 3225080), (80, 2015675), (100, 1612540), (125, 1290032), (200, 806270), (250, 645016), (400, 403135), (500, 322508), (1000, 161254), (2000, 80627)]