56919280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 146562048

約数和(自身を除く): 89642768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 911, 1136, 1420, 1562, 1822, 2840, 3124, 3644, 3905, 4555, 5680, 6248, 7288, 7810, 9110, 10021, 12496, 14576, 15620, 18220, 20042, 31240, 36440, 40084, 50105, 62480, 64681, 72880, 80168, 100210, 129362, 160336, 200420, 258724, 323405, 400840, 517448, 646810, 711491, 801680, 1034896, 1293620, 1422982, 2587240, 2845964, 3557455, 5174480, 5691928, 7114910, 11383856, 14229820, 28459640, 56919280]

約数ペア:

[(1, 56919280), (2, 28459640), (4, 14229820), (5, 11383856), (8, 7114910), (10, 5691928), (11, 5174480), (16, 3557455), (20, 2845964), (22, 2587240), (40, 1422982), (44, 1293620), (55, 1034896), (71, 801680), (80, 711491), (88, 646810), (110, 517448), (142, 400840), (176, 323405), (220, 258724), (284, 200420), (355, 160336), (440, 129362), (568, 100210), (710, 80168), (781, 72880), (880, 64681), (911, 62480), (1136, 50105), (1420, 40084), (1562, 36440), (1822, 31240), (2840, 20042), (3124, 18220), (3644, 15620), (3905, 14576), (4555, 12496), (5680, 10021), (6248, 9110), (7288, 7810)]