12819400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{5827}}^1$

素因数の和:5854

約数の個数: 48

約数和(自身を含む): 32520240

約数和(自身を除く): 19700840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 5827, 11654, 23308, 29135, 46616, 58270, 64097, 116540, 128194, 145675, 233080, 256388, 291350, 320485, 512776, 582700, 640970, 1165400, 1281940, 1602425, 2563880, 3204850, 6409700, 12819400]

約数ペア:

[(1, 12819400), (2, 6409700), (4, 3204850), (5, 2563880), (8, 1602425), (10, 1281940), (11, 1165400), (20, 640970), (22, 582700), (25, 512776), (40, 320485), (44, 291350), (50, 256388), (55, 233080), (88, 145675), (100, 128194), (110, 116540), (200, 64097), (220, 58270), (275, 46616), (440, 29135), (550, 23308), (1100, 11654), (2200, 5827)]