78806720

素因数分解:

$2^6\times 5^1\times {\mathrm{246271}}^1$

素因数の和:246288

約数の個数: 28

約数和(自身を含む): 187659264

約数和(自身を除く): 108852544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246271, 492542, 985084, 1231355, 1970168, 2462710, 3940336, 4925420, 7880672, 9850840, 15761344, 19701680, 39403360, 78806720]

約数ペア:

[(1, 78806720), (2, 39403360), (4, 19701680), (5, 15761344), (8, 9850840), (10, 7880672), (16, 4925420), (20, 3940336), (32, 2462710), (40, 1970168), (64, 1231355), (80, 985084), (160, 492542), (320, 246271)]