1812432880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{5471}}^1$

素因数の和:5626

約数の個数: 80

約数和(自身を含む): 4360220928

約数和(自身を除く): 2547788048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 101, 164, 202, 205, 328, 404, 410, 505, 656, 808, 820, 1010, 1616, 1640, 2020, 3280, 4040, 4141, 5471, 8080, 8282, 10942, 16564, 20705, 21884, 27355, 33128, 41410, 43768, 54710, 66256, 82820, 87536, 109420, 165640, 218840, 224311, 331280, 437680, 448622, 552571, 897244, 1105142, 1121555, 1794488, 2210284, 2243110, 2762855, 3588976, 4420568, 4486220, 5525710, 8841136, 8972440, 11051420, 17944880, 22102840, 22655411, 44205680, 45310822, 90621644, 113277055, 181243288, 226554110, 362486576, 453108220, 906216440, 1812432880]

約数ペア:

[(1, 1812432880), (2, 906216440), (4, 453108220), (5, 362486576), (8, 226554110), (10, 181243288), (16, 113277055), (20, 90621644), (40, 45310822), (41, 44205680), (80, 22655411), (82, 22102840), (101, 17944880), (164, 11051420), (202, 8972440), (205, 8841136), (328, 5525710), (404, 4486220), (410, 4420568), (505, 3588976), (656, 2762855), (808, 2243110), (820, 2210284), (1010, 1794488), (1616, 1121555), (1640, 1105142), (2020, 897244), (3280, 552571), (4040, 448622), (4141, 437680), (5471, 331280), (8080, 224311), (8282, 218840), (10942, 165640), (16564, 109420), (20705, 87536), (21884, 82820), (27355, 66256), (33128, 54710), (41410, 43768)]