16120040

素因数分解:

$2^3\times 5^1\times {\mathrm{403001}}^1$

素因数の和:403012

約数の個数: 16

約数和(自身を含む): 36270180

約数和(自身を除く): 20150140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 403001, 806002, 1612004, 2015005, 3224008, 4030010, 8060020, 16120040]

約数ペア:

[(1, 16120040), (2, 8060020), (4, 4030010), (5, 3224008), (8, 2015005), (10, 1612004), (20, 806002), (40, 403001)]