677121520

素因数分解:

$2^4\times 5^1\times {\mathrm{8464019}}^1$

素因数の和:8464032

約数の個数: 20

約数和(自身を含む): 1574307720

約数和(自身を除く): 897186200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8464019, 16928038, 33856076, 42320095, 67712152, 84640190, 135424304, 169280380, 338560760, 677121520]

約数ペア:

[(1, 677121520), (2, 338560760), (4, 169280380), (5, 135424304), (8, 84640190), (10, 67712152), (16, 42320095), (20, 33856076), (40, 16928038), (80, 8464019)]