29770640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1889}}^1$

素因数の和:2099

約数の個数: 40

約数和(自身を含む): 69604920

約数和(自身を除く): 39834280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1889, 1970, 3152, 3778, 3940, 7556, 7880, 9445, 15112, 15760, 18890, 30224, 37780, 75560, 151120, 372133, 744266, 1488532, 1860665, 2977064, 3721330, 5954128, 7442660, 14885320, 29770640]

約数ペア:

[(1, 29770640), (2, 14885320), (4, 7442660), (5, 5954128), (8, 3721330), (10, 2977064), (16, 1860665), (20, 1488532), (40, 744266), (80, 372133), (197, 151120), (394, 75560), (788, 37780), (985, 30224), (1576, 18890), (1889, 15760), (1970, 15112), (3152, 9445), (3778, 7880), (3940, 7556)]