2080992080

素因数分解:

$2^4\times 5^1\times {\mathrm{26012401}}^1$

素因数の和:26012414

約数の個数: 20

約数和(自身を含む): 4838306772

約数和(自身を除く): 2757314692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26012401, 52024802, 104049604, 130062005, 208099208, 260124010, 416198416, 520248020, 1040496040, 2080992080]

約数ペア:

[(1, 2080992080), (2, 1040496040), (4, 520248020), (5, 416198416), (8, 260124010), (10, 208099208), (16, 130062005), (20, 104049604), (40, 52024802), (80, 26012401)]