136940480

素因数分解:

$2^6\times 5^1\times {\mathrm{427939}}^1$

素因数の和:427956

約数の個数: 28

約数和(自身を含む): 326090280

約数和(自身を除く): 189149800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 427939, 855878, 1711756, 2139695, 3423512, 4279390, 6847024, 8558780, 13694048, 17117560, 27388096, 34235120, 68470240, 136940480]

約数ペア:

[(1, 136940480), (2, 68470240), (4, 34235120), (5, 27388096), (8, 17117560), (10, 13694048), (16, 8558780), (20, 6847024), (32, 4279390), (40, 3423512), (64, 2139695), (80, 1711756), (160, 855878), (320, 427939)]