129446780

素因数分解:

$2^2\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{3823}}^1$

素因数の和:5525

約数の個数: 24

約数和(自身を含む): 272069952

約数和(自身を除く): 142623172

約数列:

[1, 2, 4, 5, 10, 20, 1693, 3386, 3823, 6772, 7646, 8465, 15292, 16930, 19115, 33860, 38230, 76460, 6472339, 12944678, 25889356, 32361695, 64723390, 129446780]

約数ペア:

[(1, 129446780), (2, 64723390), (4, 32361695), (5, 25889356), (10, 12944678), (20, 6472339), (1693, 76460), (3386, 38230), (3823, 33860), (6772, 19115), (7646, 16930), (8465, 15292)]