40712020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10333}}^1$

素因数の和:10539

約数の個数: 24

約数和(自身を含む): 85937544

約数和(自身を除く): 45225524

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 10333, 20666, 41332, 51665, 103330, 206660, 2035601, 4071202, 8142404, 10178005, 20356010, 40712020]

約数ペア:

[(1, 40712020), (2, 20356010), (4, 10178005), (5, 8142404), (10, 4071202), (20, 2035601), (197, 206660), (394, 103330), (788, 51665), (985, 41332), (1970, 20666), (3940, 10333)]