2017688840

素因数分解:

$2^3\times 5^1\times {\mathrm{50442221}}^1$

素因数の和:50442232

約数の個数: 16

約数和(自身を含む): 4539799980

約数和(自身を除く): 2522111140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50442221, 100884442, 201768884, 252211105, 403537768, 504422210, 1008844420, 2017688840]

約数ペア:

[(1, 2017688840), (2, 1008844420), (4, 504422210), (5, 403537768), (8, 252211105), (10, 201768884), (20, 100884442), (40, 50442221)]