25723210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 49280400

約数和(自身を除く): 23557190

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 337, 449, 674, 898, 1685, 2245, 3370, 4490, 5729, 7633, 11458, 15266, 28645, 38165, 57290, 76330, 151313, 302626, 756565, 1513130, 2572321, 5144642, 12861605, 25723210]

約数ペア:

[(1, 25723210), (2, 12861605), (5, 5144642), (10, 2572321), (17, 1513130), (34, 756565), (85, 302626), (170, 151313), (337, 76330), (449, 57290), (674, 38165), (898, 28645), (1685, 15266), (2245, 11458), (3370, 7633), (4490, 5729)]