16260040

素因数分解:

$2^3\times 5^1\times {\mathrm{406501}}^1$

素因数の和:406512

約数の個数: 16

約数和(自身を含む): 36585180

約数和(自身を除く): 20325140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 406501, 813002, 1626004, 2032505, 3252008, 4065010, 8130020, 16260040]

約数ペア:

[(1, 16260040), (2, 8130020), (4, 4065010), (5, 3252008), (8, 2032505), (10, 1626004), (20, 813002), (40, 406501)]