28338910

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25999}}^1$

素因数の和:26115

約数の個数: 16

約数和(自身を含む): 51480000

約数和(自身を除く): 23141090

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 25999, 51998, 129995, 259990, 2833891, 5667782, 14169455, 28338910]

約数ペア:

[(1, 28338910), (2, 14169455), (5, 5667782), (10, 2833891), (109, 259990), (218, 129995), (545, 51998), (1090, 25999)]