426156620

素因数分解:

$2^2\times 5^1\times {\mathrm{3889}}^1\times {\mathrm{5479}}^1$

素因数の和:9377

約数の個数: 24

約数和(自身を含む): 895322400

約数和(自身を除く): 469165780

約数列:

[1, 2, 4, 5, 10, 20, 3889, 5479, 7778, 10958, 15556, 19445, 21916, 27395, 38890, 54790, 77780, 109580, 21307831, 42615662, 85231324, 106539155, 213078310, 426156620]

約数ペア:

[(1, 426156620), (2, 213078310), (4, 106539155), (5, 85231324), (10, 42615662), (20, 21307831), (3889, 109580), (5479, 77780), (7778, 54790), (10958, 38890), (15556, 27395), (19445, 21916)]