201616040

素因数分解:

$2^3\times 5^1\times {\mathrm{5040401}}^1$

素因数の和:5040412

約数の個数: 16

約数和(自身を含む): 453636180

約数和(自身を除く): 252020140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040401, 10080802, 20161604, 25202005, 40323208, 50404010, 100808020, 201616040]

約数ペア:

[(1, 201616040), (2, 100808020), (4, 50404010), (5, 40323208), (8, 25202005), (10, 20161604), (20, 10080802), (40, 5040401)]