2688894220

素因数分解:

$2^2\times 5^1\times {\mathrm{6317}}^1\times {\mathrm{21283}}^1$

素因数の和:27609

約数の個数: 24

約数和(自身を含む): 5647837104

約数和(自身を除く): 2958942884

約数列:

[1, 2, 4, 5, 10, 20, 6317, 12634, 21283, 25268, 31585, 42566, 63170, 85132, 106415, 126340, 212830, 425660, 134444711, 268889422, 537778844, 672223555, 1344447110, 2688894220]

約数ペア:

[(1, 2688894220), (2, 1344447110), (4, 672223555), (5, 537778844), (10, 268889422), (20, 134444711), (6317, 425660), (12634, 212830), (21283, 126340), (25268, 106415), (31585, 85132), (42566, 63170)]