140408080

素因数分解:

$2^4\times 5^1\times {\mathrm{1755101}}^1$

素因数の和:1755114

約数の個数: 20

約数和(自身を含む): 326448972

約数和(自身を除く): 186040892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1755101, 3510202, 7020404, 8775505, 14040808, 17551010, 28081616, 35102020, 70204040, 140408080]

約数ペア:

[(1, 140408080), (2, 70204040), (4, 35102020), (5, 28081616), (8, 17551010), (10, 14040808), (16, 8775505), (20, 7020404), (40, 3510202), (80, 1755101)]