26856280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 40121000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 911, 1340, 1474, 1822, 2680, 2948, 3644, 3685, 4555, 5896, 7288, 7370, 9110, 10021, 14740, 18220, 20042, 29480, 36440, 40084, 50105, 61037, 80168, 100210, 122074, 200420, 244148, 305185, 400840, 488296, 610370, 671407, 1220740, 1342814, 2441480, 2685628, 3357035, 5371256, 6714070, 13428140, 26856280]

約数ペア:

[(1, 26856280), (2, 13428140), (4, 6714070), (5, 5371256), (8, 3357035), (10, 2685628), (11, 2441480), (20, 1342814), (22, 1220740), (40, 671407), (44, 610370), (55, 488296), (67, 400840), (88, 305185), (110, 244148), (134, 200420), (220, 122074), (268, 100210), (335, 80168), (440, 61037), (536, 50105), (670, 40084), (737, 36440), (911, 29480), (1340, 20042), (1474, 18220), (1822, 14740), (2680, 10021), (2948, 9110), (3644, 7370), (3685, 7288), (4555, 5896)]