131460040

素因数分解:

$2^3\times 5^1\times {\mathrm{3286501}}^1$

素因数の和:3286512

約数の個数: 16

約数和(自身を含む): 295785180

約数和(自身を除く): 164325140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3286501, 6573002, 13146004, 16432505, 26292008, 32865010, 65730020, 131460040]

約数ペア:

[(1, 131460040), (2, 65730020), (4, 32865010), (5, 26292008), (8, 16432505), (10, 13146004), (20, 6573002), (40, 3286501)]