28790005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 35544960

約数和(自身を除く): 6754955

約数列:

[1, 5, 43, 215, 359, 373, 1795, 1865, 15437, 16039, 77185, 80195, 133907, 669535, 5758001, 28790005]

約数ペア:

[(1, 28790005), (5, 5758001), (43, 669535), (215, 133907), (359, 80195), (373, 77185), (1795, 16039), (1865, 15437)]