26284760

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1291}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 59302800

約数和(自身を除く): 33018040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 1291, 2036, 2545, 2582, 4072, 5090, 5164, 6455, 10180, 10328, 12910, 20360, 25820, 51640, 657119, 1314238, 2628476, 3285595, 5256952, 6571190, 13142380, 26284760]

約数ペア:

[(1, 26284760), (2, 13142380), (4, 6571190), (5, 5256952), (8, 3285595), (10, 2628476), (20, 1314238), (40, 657119), (509, 51640), (1018, 25820), (1291, 20360), (2036, 12910), (2545, 10328), (2582, 10180), (4072, 6455), (5090, 5164)]