28886090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{26501}}^1$

素因数の和:26617

約数の個数: 16

約数和(自身を含む): 52473960

約数和(自身を除く): 23587870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 26501, 53002, 132505, 265010, 2888609, 5777218, 14443045, 28886090]

約数ペア:

[(1, 28886090), (2, 14443045), (5, 5777218), (10, 2888609), (109, 265010), (218, 132505), (545, 53002), (1090, 26501)]