82536080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1416

約数の個数: 80

約数和(自身を含む): 212450688

約数和(自身を除く): 129914608

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, 1136, 1321, 1420, 1562, 2642, 2840, 3124, 3905, 5284, 5680, 6248, 6605, 7810, 10568, 12496, 13210, 14531, 15620, 21136, 26420, 29062, 31240, 52840, 58124, 62480, 72655, 93791, 105680, 116248, 145310, 187582, 232496, 290620, 375164, 468955, 581240, 750328, 937910, 1031701, 1162480, 1500656, 1875820, 2063402, 3751640, 4126804, 5158505, 7503280, 8253608, 10317010, 16507216, 20634020, 41268040, 82536080]

約数ペア:

[(1, 82536080), (2, 41268040), (4, 20634020), (5, 16507216), (8, 10317010), (10, 8253608), (11, 7503280), (16, 5158505), (20, 4126804), (22, 3751640), (40, 2063402), (44, 1875820), (55, 1500656), (71, 1162480), (80, 1031701), (88, 937910), (110, 750328), (142, 581240), (176, 468955), (220, 375164), (284, 290620), (355, 232496), (440, 187582), (568, 145310), (710, 116248), (781, 105680), (880, 93791), (1136, 72655), (1321, 62480), (1420, 58124), (1562, 52840), (2642, 31240), (2840, 29062), (3124, 26420), (3905, 21136), (5284, 15620), (5680, 14531), (6248, 13210), (6605, 12496), (7810, 10568)]