40649144

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{40009}}^1$

素因数の和:40142

約数の個数: 16

約数和(自身を含む): 76819200

約数和(自身を除く): 36170056

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 40009, 80018, 160036, 320072, 5081143, 10162286, 20324572, 40649144]

約数ペア:

[(1, 40649144), (2, 20324572), (4, 10162286), (8, 5081143), (127, 320072), (254, 160036), (508, 80018), (1016, 40009)]