80931400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36787}}^1$

素因数の和:36814

約数の個数: 48

約数和(自身を含む): 205277040

約数和(自身を除く): 124345640

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, 36787, 73574, 147148, 183935, 294296, 367870, 404657, 735740, 809314, 919675, 1471480, 1618628, 1839350, 2023285, 3237256, 3678700, 4046570, 7357400, 8093140, 10116425, 16186280, 20232850, 40465700, 80931400]

約数ペア:

[(1, 80931400), (2, 40465700), (4, 20232850), (5, 16186280), (8, 10116425), (10, 8093140), (11, 7357400), (20, 4046570), (22, 3678700), (25, 3237256), (40, 2023285), (44, 1839350), (50, 1618628), (55, 1471480), (88, 919675), (100, 809314), (110, 735740), (200, 404657), (220, 367870), (275, 294296), (440, 183935), (550, 147148), (1100, 73574), (2200, 36787)]