12081800

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 28325940

約数和(自身を除く): 16244140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 313, 386, 626, 772, 965, 1252, 1544, 1565, 1930, 2504, 3130, 3860, 4825, 6260, 7720, 7825, 9650, 12520, 15650, 19300, 31300, 38600, 60409, 62600, 120818, 241636, 302045, 483272, 604090, 1208180, 1510225, 2416360, 3020450, 6040900, 12081800]

約数ペア:

[(1, 12081800), (2, 6040900), (4, 3020450), (5, 2416360), (8, 1510225), (10, 1208180), (20, 604090), (25, 483272), (40, 302045), (50, 241636), (100, 120818), (193, 62600), (200, 60409), (313, 38600), (386, 31300), (626, 19300), (772, 15650), (965, 12520), (1252, 9650), (1544, 7825), (1565, 7720), (1930, 6260), (2504, 4825), (3130, 3860)]