268576040

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{5209}}^1$

素因数の和:6509

約数の個数: 32

約数和(自身を含む): 604881000

約数和(自身を除く): 336304960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 2578, 5156, 5209, 6445, 10312, 10418, 12890, 20836, 25780, 26045, 41672, 51560, 52090, 104180, 208360, 6714401, 13428802, 26857604, 33572005, 53715208, 67144010, 134288020, 268576040]

約数ペア:

[(1, 268576040), (2, 134288020), (4, 67144010), (5, 53715208), (8, 33572005), (10, 26857604), (20, 13428802), (40, 6714401), (1289, 208360), (2578, 104180), (5156, 52090), (5209, 51560), (6445, 41672), (10312, 26045), (10418, 25780), (12890, 20836)]