27666680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3511}}^1$

素因数の和:3719

約数の個数: 32

約数和(自身を含む): 62583840

約数和(自身を除く): 34917160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3511, 3940, 7022, 7880, 14044, 17555, 28088, 35110, 70220, 140440, 691667, 1383334, 2766668, 3458335, 5533336, 6916670, 13833340, 27666680]

約数ペア:

[(1, 27666680), (2, 13833340), (4, 6916670), (5, 5533336), (8, 3458335), (10, 2766668), (20, 1383334), (40, 691667), (197, 140440), (394, 70220), (788, 35110), (985, 28088), (1576, 17555), (1970, 14044), (3511, 7880), (3940, 7022)]