81592120

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2837}}^1$

素因数の和:3567

約数の個数: 32

約数和(自身を含む): 183902400

約数和(自身を除く): 102310280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 1438, 2837, 2876, 3595, 5674, 5752, 7190, 11348, 14185, 14380, 22696, 28370, 28760, 56740, 113480, 2039803, 4079606, 8159212, 10199015, 16318424, 20398030, 40796060, 81592120]

約数ペア:

[(1, 81592120), (2, 40796060), (4, 20398030), (5, 16318424), (8, 10199015), (10, 8159212), (20, 4079606), (40, 2039803), (719, 113480), (1438, 56740), (2837, 28760), (2876, 28370), (3595, 22696), (5674, 14380), (5752, 14185), (7190, 11348)]