40066840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2284

約数の個数: 64

約数和(自身を含む): 100789920

約数和(自身を除く): 60723080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2221, 2255, 3608, 4442, 4510, 8884, 9020, 11105, 17768, 18040, 22210, 24431, 44420, 48862, 88840, 91061, 97724, 122155, 182122, 195448, 244310, 364244, 455305, 488620, 728488, 910610, 977240, 1001671, 1821220, 2003342, 3642440, 4006684, 5008355, 8013368, 10016710, 20033420, 40066840]

約数ペア:

[(1, 40066840), (2, 20033420), (4, 10016710), (5, 8013368), (8, 5008355), (10, 4006684), (11, 3642440), (20, 2003342), (22, 1821220), (40, 1001671), (41, 977240), (44, 910610), (55, 728488), (82, 488620), (88, 455305), (110, 364244), (164, 244310), (205, 195448), (220, 182122), (328, 122155), (410, 97724), (440, 91061), (451, 88840), (820, 48862), (902, 44420), (1640, 24431), (1804, 22210), (2221, 18040), (2255, 17768), (3608, 11105), (4442, 9020), (4510, 8884)]