208078960

素因数分解:

$2^4\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{2371}}^1$

素因数の和:3481

約数の個数: 40

約数和(自身を含む): 484428816

約数和(自身を除く): 276349856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097, 2194, 2371, 4388, 4742, 5485, 8776, 9484, 10970, 11855, 17552, 18968, 21940, 23710, 37936, 43880, 47420, 87760, 94840, 189680, 2600987, 5201974, 10403948, 13004935, 20807896, 26009870, 41615792, 52019740, 104039480, 208078960]

約数ペア:

[(1, 208078960), (2, 104039480), (4, 52019740), (5, 41615792), (8, 26009870), (10, 20807896), (16, 13004935), (20, 10403948), (40, 5201974), (80, 2600987), (1097, 189680), (2194, 94840), (2371, 87760), (4388, 47420), (4742, 43880), (5485, 37936), (8776, 23710), (9484, 21940), (10970, 18968), (11855, 17552)]