40399054

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{3923}}^1$

素因数の和:4215

約数の個数: 16

約数和(自身を含む): 64039680

約数和(自身を除く): 23640626

約数列:

[1, 2, 19, 38, 271, 542, 3923, 5149, 7846, 10298, 74537, 149074, 1063133, 2126266, 20199527, 40399054]

約数ペア:

[(1, 40399054), (2, 20199527), (19, 2126266), (38, 1063133), (271, 149074), (542, 74537), (3923, 10298), (5149, 7846)]