66467840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6491}}^1$

素因数の和:6518

約数の個数: 48

約数和(自身を含む): 159508440

約数和(自身を除く): 93040600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6491, 10240, 12982, 25964, 32455, 51928, 64910, 103856, 129820, 207712, 259640, 415424, 519280, 830848, 1038560, 1661696, 2077120, 3323392, 4154240, 6646784, 8308480, 13293568, 16616960, 33233920, 66467840]

約数ペア:

[(1, 66467840), (2, 33233920), (4, 16616960), (5, 13293568), (8, 8308480), (10, 6646784), (16, 4154240), (20, 3323392), (32, 2077120), (40, 1661696), (64, 1038560), (80, 830848), (128, 519280), (160, 415424), (256, 259640), (320, 207712), (512, 129820), (640, 103856), (1024, 64910), (1280, 51928), (2048, 32455), (2560, 25964), (5120, 12982), (6491, 10240)]