18454928995280

素因数分解:

$2^4\times 5^1\times {\mathrm{230686612441}}^1$

素因数の和:230686612454

約数の個数: 20

約数和(自身を含む): 42907709914212

約数和(自身を除く): 24452780918932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230686612441, 461373224882, 922746449764, 1153433062205, 1845492899528, 2306866124410, 3690985799056, 4613732248820, 9227464497640, 18454928995280]

約数ペア:

[(1, 18454928995280), (2, 9227464497640), (4, 4613732248820), (5, 3690985799056), (8, 2306866124410), (10, 1845492899528), (16, 1153433062205), (20, 922746449764), (40, 461373224882), (80, 230686612441)]