12661180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90437}}^1$

素因数の和:90453

約数の個数: 24

約数和(自身を含む): 30387168

約数和(自身を除く): 17725988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90437, 180874, 361748, 452185, 633059, 904370, 1266118, 1808740, 2532236, 3165295, 6330590, 12661180]

約数ペア:

[(1, 12661180), (2, 6330590), (4, 3165295), (5, 2532236), (7, 1808740), (10, 1266118), (14, 904370), (20, 633059), (28, 452185), (35, 361748), (70, 180874), (140, 90437)]