51066160

素因数分解:

$2^4\times 5^1\times {\mathrm{638327}}^1$

素因数の和:638340

約数の個数: 20

約数和(自身を含む): 118729008

約数和(自身を除く): 67662848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638327, 1276654, 2553308, 3191635, 5106616, 6383270, 10213232, 12766540, 25533080, 51066160]

約数ペア:

[(1, 51066160), (2, 25533080), (4, 12766540), (5, 10213232), (8, 6383270), (10, 5106616), (16, 3191635), (20, 2553308), (40, 1276654), (80, 638327)]