142740040

素因数分解:

$2^3\times 5^1\times {\mathrm{3568501}}^1$

素因数の和:3568512

約数の個数: 16

約数和(自身を含む): 321165180

約数和(自身を除く): 178425140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3568501, 7137002, 14274004, 17842505, 28548008, 35685010, 71370020, 142740040]

約数ペア:

[(1, 142740040), (2, 71370020), (4, 35685010), (5, 28548008), (8, 17842505), (10, 14274004), (20, 7137002), (40, 3568501)]