7988875

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 10108800

約数和(自身を除く): 2119925

約数列:

[1, 5, 25, 79, 125, 395, 809, 1975, 4045, 9875, 20225, 63911, 101125, 319555, 1597775, 7988875]

約数ペア:

[(1, 7988875), (5, 1597775), (25, 319555), (79, 101125), (125, 63911), (395, 20225), (809, 9875), (1975, 4045)]