80553280

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1811}}^1$

素因数の和:1967

約数の個数: 56

約数和(自身を含む): 193304160

約数和(自身を除く): 112750880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1811, 2224, 2780, 3622, 4448, 5560, 7244, 8896, 9055, 11120, 14488, 18110, 22240, 28976, 36220, 44480, 57952, 72440, 115904, 144880, 251729, 289760, 503458, 579520, 1006916, 1258645, 2013832, 2517290, 4027664, 5034580, 8055328, 10069160, 16110656, 20138320, 40276640, 80553280]

約数ペア:

[(1, 80553280), (2, 40276640), (4, 20138320), (5, 16110656), (8, 10069160), (10, 8055328), (16, 5034580), (20, 4027664), (32, 2517290), (40, 2013832), (64, 1258645), (80, 1006916), (139, 579520), (160, 503458), (278, 289760), (320, 251729), (556, 144880), (695, 115904), (1112, 72440), (1390, 57952), (1811, 44480), (2224, 36220), (2780, 28976), (3622, 22240), (4448, 18110), (5560, 14488), (7244, 11120), (8896, 9055)]