40172368

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{35363}}^1$

素因数の和:35442

約数の個数: 20

約数和(自身を含む): 78932448

約数和(自身を除く): 38760080

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 35363, 70726, 141452, 282904, 565808, 2510773, 5021546, 10043092, 20086184, 40172368]

約数ペア:

[(1, 40172368), (2, 20086184), (4, 10043092), (8, 5021546), (16, 2510773), (71, 565808), (142, 282904), (284, 141452), (568, 70726), (1136, 35363)]