8291320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3911}}^1$

素因数の和:3975

約数の個数: 32

約数和(自身を含む): 19012320

約数和(自身を除く): 10721000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3911, 7822, 15644, 19555, 31288, 39110, 78220, 156440, 207283, 414566, 829132, 1036415, 1658264, 2072830, 4145660, 8291320]

約数ペア:

[(1, 8291320), (2, 4145660), (4, 2072830), (5, 1658264), (8, 1036415), (10, 829132), (20, 414566), (40, 207283), (53, 156440), (106, 78220), (212, 39110), (265, 31288), (424, 19555), (530, 15644), (1060, 7822), (2120, 3911)]