165667480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8011}}^1$

素因数の和:8080

約数の個数: 64

約数和(自身を含む): 415342080

約数和(自身を除く): 249674600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 8011, 10340, 16022, 20680, 32044, 40055, 64088, 80110, 88121, 160220, 176242, 320440, 352484, 376517, 440605, 704968, 753034, 881210, 1506068, 1762420, 1882585, 3012136, 3524840, 3765170, 4141687, 7530340, 8283374, 15060680, 16566748, 20708435, 33133496, 41416870, 82833740, 165667480]

約数ペア:

[(1, 165667480), (2, 82833740), (4, 41416870), (5, 33133496), (8, 20708435), (10, 16566748), (11, 15060680), (20, 8283374), (22, 7530340), (40, 4141687), (44, 3765170), (47, 3524840), (55, 3012136), (88, 1882585), (94, 1762420), (110, 1506068), (188, 881210), (220, 753034), (235, 704968), (376, 440605), (440, 376517), (470, 352484), (517, 320440), (940, 176242), (1034, 160220), (1880, 88121), (2068, 80110), (2585, 64088), (4136, 40055), (5170, 32044), (8011, 20680), (10340, 16022)]