28080005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17387}}^1$

素因数の和:17428

約数の個数: 16

約数和(自身を含む): 37558080

約数和(自身を除く): 9478075

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 17387, 86935, 295579, 330353, 1477895, 1651765, 5616001, 28080005]

約数ペア:

[(1, 28080005), (5, 5616001), (17, 1651765), (19, 1477895), (85, 330353), (95, 295579), (323, 86935), (1615, 17387)]