80932720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91969}}^1$

素因数の和:91993

約数の個数: 40

約数和(自身を含む): 205277040

約数和(自身を除く): 124344320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91969, 183938, 367876, 459845, 735752, 919690, 1011659, 1471504, 1839380, 2023318, 3678760, 4046636, 5058295, 7357520, 8093272, 10116590, 16186544, 20233180, 40466360, 80932720]

約数ペア:

[(1, 80932720), (2, 40466360), (4, 20233180), (5, 16186544), (8, 10116590), (10, 8093272), (11, 7357520), (16, 5058295), (20, 4046636), (22, 3678760), (40, 2023318), (44, 1839380), (55, 1471504), (80, 1011659), (88, 919690), (110, 735752), (176, 459845), (220, 367876), (440, 183938), (880, 91969)]