40505218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21341}}^1$

素因数の和:21429

約数の個数: 16

約数和(自身を含む): 66330936

約数和(自身を除く): 25825718

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 21341, 42682, 277433, 554866, 1557893, 3115786, 20252609, 40505218]

約数ペア:

[(1, 40505218), (2, 20252609), (13, 3115786), (26, 1557893), (73, 554866), (146, 277433), (949, 42682), (1898, 21341)]