82813720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1759}}^1$

素因数の和:1888

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 122472680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 1759, 2140, 2354, 3518, 4280, 4708, 5885, 7036, 8795, 9416, 11770, 14072, 17590, 19349, 23540, 35180, 38698, 47080, 70360, 77396, 96745, 154792, 188213, 193490, 376426, 386980, 752852, 773960, 941065, 1505704, 1882130, 2070343, 3764260, 4140686, 7528520, 8281372, 10351715, 16562744, 20703430, 41406860, 82813720]

約数ペア:

[(1, 82813720), (2, 41406860), (4, 20703430), (5, 16562744), (8, 10351715), (10, 8281372), (11, 7528520), (20, 4140686), (22, 3764260), (40, 2070343), (44, 1882130), (55, 1505704), (88, 941065), (107, 773960), (110, 752852), (214, 386980), (220, 376426), (428, 193490), (440, 188213), (535, 154792), (856, 96745), (1070, 77396), (1177, 70360), (1759, 47080), (2140, 38698), (2354, 35180), (3518, 23540), (4280, 19349), (4708, 17590), (5885, 14072), (7036, 11770), (8795, 9416)]