81603669860

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{7170797}}^1$

素因数の和:7171375

約数の個数: 24

約数和(自身を含む): 171668904120

約数和(自身を除く): 90065234260

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 11380, 7170797, 14341594, 28683188, 35853985, 71707970, 143415940, 4080183493, 8160366986, 16320733972, 20400917465, 40801834930, 81603669860]

約数ペア:

[(1, 81603669860), (2, 40801834930), (4, 20400917465), (5, 16320733972), (10, 8160366986), (20, 4080183493), (569, 143415940), (1138, 71707970), (2276, 35853985), (2845, 28683188), (5690, 14341594), (11380, 7170797)]