4045180

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 8538768

約数和(自身を除く): 4493588

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 787, 1028, 1285, 1574, 2570, 3148, 3935, 5140, 7870, 15740, 202259, 404518, 809036, 1011295, 2022590, 4045180]

約数ペア:

[(1, 4045180), (2, 2022590), (4, 1011295), (5, 809036), (10, 404518), (20, 202259), (257, 15740), (514, 7870), (787, 5140), (1028, 3935), (1285, 3148), (1574, 2570)]