89479720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{203363}}^1$

素因数の和:203385

約数の個数: 32

約数和(自身を含む): 219633120

約数和(自身を除く): 130153400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 203363, 406726, 813452, 1016815, 1626904, 2033630, 2236993, 4067260, 4473986, 8134520, 8947972, 11184965, 17895944, 22369930, 44739860, 89479720]

約数ペア:

[(1, 89479720), (2, 44739860), (4, 22369930), (5, 17895944), (8, 11184965), (10, 8947972), (11, 8134520), (20, 4473986), (22, 4067260), (40, 2236993), (44, 2033630), (55, 1626904), (88, 1016815), (110, 813452), (220, 406726), (440, 203363)]