40489180

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4157}}^1$

素因数の和:4653

約数の個数: 24

約数和(自身を含む): 85222368

約数和(自身を除く): 44733188

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4157, 4870, 8314, 9740, 16628, 20785, 41570, 83140, 2024459, 4048918, 8097836, 10122295, 20244590, 40489180]

約数ペア:

[(1, 40489180), (2, 20244590), (4, 10122295), (5, 8097836), (10, 4048918), (20, 2024459), (487, 83140), (974, 41570), (1948, 20785), (2435, 16628), (4157, 9740), (4870, 8314)]