12856840

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1097}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 29053080

約数和(自身を除く): 16196240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1097, 1172, 1465, 2194, 2344, 2930, 4388, 5485, 5860, 8776, 10970, 11720, 21940, 43880, 321421, 642842, 1285684, 1607105, 2571368, 3214210, 6428420, 12856840]

約数ペア:

[(1, 12856840), (2, 6428420), (4, 3214210), (5, 2571368), (8, 1607105), (10, 1285684), (20, 642842), (40, 321421), (293, 43880), (586, 21940), (1097, 11720), (1172, 10970), (1465, 8776), (2194, 5860), (2344, 5485), (2930, 4388)]