20179905280

素因数分解:

$2^8\times 5^1\times {\mathrm{15765551}}^1$

素因数の和:15765572

約数の個数: 36

約数和(自身を含む): 48337182432

約数和(自身を除く): 28157277152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15765551, 31531102, 63062204, 78827755, 126124408, 157655510, 252248816, 315311020, 504497632, 630622040, 1008995264, 1261244080, 2017990528, 2522488160, 4035981056, 5044976320, 10089952640, 20179905280]

約数ペア:

[(1, 20179905280), (2, 10089952640), (4, 5044976320), (5, 4035981056), (8, 2522488160), (10, 2017990528), (16, 1261244080), (20, 1008995264), (32, 630622040), (40, 504497632), (64, 315311020), (80, 252248816), (128, 157655510), (160, 126124408), (256, 78827755), (320, 63062204), (640, 31531102), (1280, 15765551)]