25274210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 49215600

約数和(自身を除く): 23941390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 433, 449, 866, 898, 2165, 2245, 4330, 4490, 5629, 5837, 11258, 11674, 28145, 29185, 56290, 58370, 194417, 388834, 972085, 1944170, 2527421, 5054842, 12637105, 25274210]

約数ペア:

[(1, 25274210), (2, 12637105), (5, 5054842), (10, 2527421), (13, 1944170), (26, 972085), (65, 388834), (130, 194417), (433, 58370), (449, 56290), (866, 29185), (898, 28145), (2165, 11674), (2245, 11258), (4330, 5837), (4490, 5629)]