40549580

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5107}}^1$

素因数の和:5513

約数の個数: 24

約数和(自身を含む): 85385328

約数和(自身を除く): 44835748

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 5107, 7940, 10214, 20428, 25535, 51070, 102140, 2027479, 4054958, 8109916, 10137395, 20274790, 40549580]

約数ペア:

[(1, 40549580), (2, 20274790), (4, 10137395), (5, 8109916), (10, 4054958), (20, 2027479), (397, 102140), (794, 51070), (1588, 25535), (1985, 20428), (3970, 10214), (5107, 7940)]