42040240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 111024144

約数和(自身を除く): 68983904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 101, 110, 121, 172, 176, 202, 215, 220, 242, 344, 404, 430, 440, 473, 484, 505, 605, 688, 808, 860, 880, 946, 968, 1010, 1111, 1210, 1616, 1720, 1892, 1936, 2020, 2222, 2365, 2420, 3440, 3784, 4040, 4343, 4444, 4730, 4840, 5203, 5555, 7568, 8080, 8686, 8888, 9460, 9680, 10406, 11110, 12221, 17372, 17776, 18920, 20812, 21715, 22220, 24442, 26015, 34744, 37840, 41624, 43430, 44440, 47773, 48884, 52030, 61105, 69488, 83248, 86860, 88880, 95546, 97768, 104060, 122210, 173720, 191092, 195536, 208120, 238865, 244420, 347440, 382184, 416240, 477730, 488840, 525503, 764368, 955460, 977680, 1051006, 1910920, 2102012, 2627515, 3821840, 4204024, 5255030, 8408048, 10510060, 21020120, 42040240]

約数ペア:

[(1, 42040240), (2, 21020120), (4, 10510060), (5, 8408048), (8, 5255030), (10, 4204024), (11, 3821840), (16, 2627515), (20, 2102012), (22, 1910920), (40, 1051006), (43, 977680), (44, 955460), (55, 764368), (80, 525503), (86, 488840), (88, 477730), (101, 416240), (110, 382184), (121, 347440), (172, 244420), (176, 238865), (202, 208120), (215, 195536), (220, 191092), (242, 173720), (344, 122210), (404, 104060), (430, 97768), (440, 95546), (473, 88880), (484, 86860), (505, 83248), (605, 69488), (688, 61105), (808, 52030), (860, 48884), (880, 47773), (946, 44440), (968, 43430), (1010, 41624), (1111, 37840), (1210, 34744), (1616, 26015), (1720, 24442), (1892, 22220), (1936, 21715), (2020, 20812), (2222, 18920), (2365, 17776), (2420, 17372), (3440, 12221), (3784, 11110), (4040, 10406), (4343, 9680), (4444, 9460), (4730, 8888), (4840, 8686), (5203, 8080), (5555, 7568)]