680368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3271}}^1$

素因数の和:3292

約数の個数: 20

約数和(自身を含む): 1420048

約数和(自身を除く): 739680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3271, 6542, 13084, 26168, 42523, 52336, 85046, 170092, 340184, 680368]

約数ペア:

[(1, 680368), (2, 340184), (4, 170092), (8, 85046), (13, 52336), (16, 42523), (26, 26168), (52, 13084), (104, 6542), (208, 3271)]