2855240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1741}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 6584760

約数和(自身を除く): 3729520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1741, 3482, 6964, 8705, 13928, 17410, 34820, 69640, 71381, 142762, 285524, 356905, 571048, 713810, 1427620, 2855240]

約数ペア:

[(1, 2855240), (2, 1427620), (4, 713810), (5, 571048), (8, 356905), (10, 285524), (20, 142762), (40, 71381), (41, 69640), (82, 34820), (164, 17410), (205, 13928), (328, 8705), (410, 6964), (820, 3482), (1640, 1741)]