85316440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2824

約数の個数: 64

約数和(自身を含む): 212440320

約数和(自身を除く): 127123880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2731, 2840, 3124, 3905, 5462, 6248, 7810, 10924, 13655, 15620, 21848, 27310, 30041, 31240, 54620, 60082, 109240, 120164, 150205, 193901, 240328, 300410, 387802, 600820, 775604, 969505, 1201640, 1551208, 1939010, 2132911, 3878020, 4265822, 7756040, 8531644, 10664555, 17063288, 21329110, 42658220, 85316440]

約数ペア:

[(1, 85316440), (2, 42658220), (4, 21329110), (5, 17063288), (8, 10664555), (10, 8531644), (11, 7756040), (20, 4265822), (22, 3878020), (40, 2132911), (44, 1939010), (55, 1551208), (71, 1201640), (88, 969505), (110, 775604), (142, 600820), (220, 387802), (284, 300410), (355, 240328), (440, 193901), (568, 150205), (710, 120164), (781, 109240), (1420, 60082), (1562, 54620), (2731, 31240), (2840, 30041), (3124, 27310), (3905, 21848), (5462, 15620), (6248, 13655), (7810, 10924)]