68101520

素因数分解:

$2^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{991}}^1$

素因数の和:1863

約数の個数: 40

約数和(自身を含む): 158680320

約数和(自身を除く): 90578800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 991, 1718, 1982, 3436, 3964, 4295, 4955, 6872, 7928, 8590, 9910, 13744, 15856, 17180, 19820, 34360, 39640, 68720, 79280, 851269, 1702538, 3405076, 4256345, 6810152, 8512690, 13620304, 17025380, 34050760, 68101520]

約数ペア:

[(1, 68101520), (2, 34050760), (4, 17025380), (5, 13620304), (8, 8512690), (10, 6810152), (16, 4256345), (20, 3405076), (40, 1702538), (80, 851269), (859, 79280), (991, 68720), (1718, 39640), (1982, 34360), (3436, 19820), (3964, 17180), (4295, 15856), (4955, 13744), (6872, 9910), (7928, 8590)]