29621680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 77057568

約数和(自身を除く): 47435888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 821, 880, 902, 1640, 1642, 1804, 2255, 3280, 3284, 3608, 4105, 4510, 6568, 7216, 8210, 9020, 9031, 13136, 16420, 18040, 18062, 32840, 33661, 36080, 36124, 45155, 65680, 67322, 72248, 90310, 134644, 144496, 168305, 180620, 269288, 336610, 361240, 370271, 538576, 673220, 722480, 740542, 1346440, 1481084, 1851355, 2692880, 2962168, 3702710, 5924336, 7405420, 14810840, 29621680]

約数ペア:

[(1, 29621680), (2, 14810840), (4, 7405420), (5, 5924336), (8, 3702710), (10, 2962168), (11, 2692880), (16, 1851355), (20, 1481084), (22, 1346440), (40, 740542), (41, 722480), (44, 673220), (55, 538576), (80, 370271), (82, 361240), (88, 336610), (110, 269288), (164, 180620), (176, 168305), (205, 144496), (220, 134644), (328, 90310), (410, 72248), (440, 67322), (451, 65680), (656, 45155), (820, 36124), (821, 36080), (880, 33661), (902, 32840), (1640, 18062), (1642, 18040), (1804, 16420), (2255, 13136), (3280, 9031), (3284, 9020), (3608, 8210), (4105, 7216), (4510, 6568)]