27487240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 40552760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 349, 358, 440, 698, 716, 895, 1396, 1432, 1745, 1790, 1969, 2792, 3490, 3580, 3839, 3938, 6980, 7160, 7678, 7876, 9845, 13960, 15356, 15752, 19195, 19690, 30712, 38390, 39380, 62471, 76780, 78760, 124942, 153560, 249884, 312355, 499768, 624710, 687181, 1249420, 1374362, 2498840, 2748724, 3435905, 5497448, 6871810, 13743620, 27487240]

約数ペア:

[(1, 27487240), (2, 13743620), (4, 6871810), (5, 5497448), (8, 3435905), (10, 2748724), (11, 2498840), (20, 1374362), (22, 1249420), (40, 687181), (44, 624710), (55, 499768), (88, 312355), (110, 249884), (179, 153560), (220, 124942), (349, 78760), (358, 76780), (440, 62471), (698, 39380), (716, 38390), (895, 30712), (1396, 19690), (1432, 19195), (1745, 15752), (1790, 15356), (1969, 13960), (2792, 9845), (3490, 7876), (3580, 7678), (3839, 7160), (3938, 6980)]