140571320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{17839}}^1$

素因数の和:18047

約数の個数: 32

約数和(自身を含む): 317908800

約数和(自身を除く): 177337480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 17839, 35678, 71356, 89195, 142712, 178390, 356780, 713560, 3514283, 7028566, 14057132, 17571415, 28114264, 35142830, 70285660, 140571320]

約数ペア:

[(1, 140571320), (2, 70285660), (4, 35142830), (5, 28114264), (8, 17571415), (10, 14057132), (20, 7028566), (40, 3514283), (197, 713560), (394, 356780), (788, 178390), (985, 142712), (1576, 89195), (1970, 71356), (3940, 35678), (7880, 17839)]