2646780040

素因数分解:

$2^3\times 5^1\times {\mathrm{66169501}}^1$

素因数の和:66169512

約数の個数: 16

約数和(自身を含む): 5955255180

約数和(自身を除く): 3308475140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66169501, 132339002, 264678004, 330847505, 529356008, 661695010, 1323390020, 2646780040]

約数ペア:

[(1, 2646780040), (2, 1323390020), (4, 661695010), (5, 529356008), (8, 330847505), (10, 264678004), (20, 132339002), (40, 66169501)]