26880005

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1069}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 6401275

約数列:

[1, 5, 47, 107, 235, 535, 1069, 5029, 5345, 25145, 50243, 114383, 251215, 571915, 5376001, 26880005]

約数ペア:

[(1, 26880005), (5, 5376001), (47, 571915), (107, 251215), (235, 114383), (535, 50243), (1069, 25145), (5029, 5345)]