12865910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18121}}^1$

素因数の和:18199

約数の個数: 16

約数和(自身を含む): 23486112

約数和(自身を除く): 10620202

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 18121, 36242, 90605, 181210, 1286591, 2573182, 6432955, 12865910]

約数ペア:

[(1, 12865910), (2, 6432955), (5, 2573182), (10, 1286591), (71, 181210), (142, 90605), (355, 36242), (710, 18121)]