139049080

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{4903}}^1$

素因数の和:5623

約数の個数: 32

約数和(自身を含む): 313365600

約数和(自身を除く): 174316520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 4903, 5672, 7090, 9806, 14180, 19612, 24515, 28360, 39224, 49030, 98060, 196120, 3476227, 6952454, 13904908, 17381135, 27809816, 34762270, 69524540, 139049080]

約数ペア:

[(1, 139049080), (2, 69524540), (4, 34762270), (5, 27809816), (8, 17381135), (10, 13904908), (20, 6952454), (40, 3476227), (709, 196120), (1418, 98060), (2836, 49030), (3545, 39224), (4903, 28360), (5672, 24515), (7090, 19612), (9806, 14180)]