68633360

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2161}}^1$

素因数の和:2571

約数の個数: 40

約数和(自身を含む): 160048536

約数和(自身を除く): 91415176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2161, 3176, 3970, 4322, 6352, 7940, 8644, 10805, 15880, 17288, 21610, 31760, 34576, 43220, 86440, 172880, 857917, 1715834, 3431668, 4289585, 6863336, 8579170, 13726672, 17158340, 34316680, 68633360]

約数ペア:

[(1, 68633360), (2, 34316680), (4, 17158340), (5, 13726672), (8, 8579170), (10, 6863336), (16, 4289585), (20, 3431668), (40, 1715834), (80, 857917), (397, 172880), (794, 86440), (1588, 43220), (1985, 34576), (2161, 31760), (3176, 21610), (3970, 17288), (4322, 15880), (6352, 10805), (7940, 8644)]