85664840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73849}}^1$

素因数の和:73889

約数の個数: 32

約数和(自身を含む): 199395000

約数和(自身を除く): 113730160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 73849, 147698, 295396, 369245, 590792, 738490, 1476980, 2141621, 2953960, 4283242, 8566484, 10708105, 17132968, 21416210, 42832420, 85664840]

約数ペア:

[(1, 85664840), (2, 42832420), (4, 21416210), (5, 17132968), (8, 10708105), (10, 8566484), (20, 4283242), (29, 2953960), (40, 2141621), (58, 1476980), (116, 738490), (145, 590792), (232, 369245), (290, 295396), (580, 147698), (1160, 73849)]