54972280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 136378080

約数和(自身を除く): 81405800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1237, 2020, 2222, 2474, 4040, 4444, 4948, 5555, 6185, 8888, 9896, 11110, 12370, 13607, 22220, 24740, 27214, 44440, 49480, 54428, 68035, 108856, 124937, 136070, 249874, 272140, 499748, 544280, 624685, 999496, 1249370, 1374307, 2498740, 2748614, 4997480, 5497228, 6871535, 10994456, 13743070, 27486140, 54972280]

約数ペア:

[(1, 54972280), (2, 27486140), (4, 13743070), (5, 10994456), (8, 6871535), (10, 5497228), (11, 4997480), (20, 2748614), (22, 2498740), (40, 1374307), (44, 1249370), (55, 999496), (88, 624685), (101, 544280), (110, 499748), (202, 272140), (220, 249874), (404, 136070), (440, 124937), (505, 108856), (808, 68035), (1010, 54428), (1111, 49480), (1237, 44440), (2020, 27214), (2222, 24740), (2474, 22220), (4040, 13607), (4444, 12370), (4948, 11110), (5555, 9896), (6185, 8888)]