40665340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43261}}^1$

素因数の和:43317

約数の個数: 24

約数和(自身を含む): 87216192

約数和(自身を除く): 46550852

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 43261, 86522, 173044, 216305, 432610, 865220, 2033267, 4066534, 8133068, 10166335, 20332670, 40665340]

約数ペア:

[(1, 40665340), (2, 20332670), (4, 10166335), (5, 8133068), (10, 4066534), (20, 2033267), (47, 865220), (94, 432610), (188, 216305), (235, 173044), (470, 86522), (940, 43261)]