20162048240

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{16747}}^1$

素因数の和:17010

約数の個数: 80

約数和(自身を含む): 47661458400

約数和(自身を除く): 27499410160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 149, 202, 298, 404, 505, 596, 745, 808, 1010, 1192, 1490, 1616, 2020, 2384, 2980, 4040, 5960, 8080, 11920, 15049, 16747, 30098, 33494, 60196, 66988, 75245, 83735, 120392, 133976, 150490, 167470, 240784, 267952, 300980, 334940, 601960, 669880, 1203920, 1339760, 1691447, 2495303, 3382894, 4990606, 6765788, 8457235, 9981212, 12476515, 13531576, 16914470, 19962424, 24953030, 27063152, 33828940, 39924848, 49906060, 67657880, 99812120, 135315760, 199624240, 252025603, 504051206, 1008102412, 1260128015, 2016204824, 2520256030, 4032409648, 5040512060, 10081024120, 20162048240]

約数ペア:

[(1, 20162048240), (2, 10081024120), (4, 5040512060), (5, 4032409648), (8, 2520256030), (10, 2016204824), (16, 1260128015), (20, 1008102412), (40, 504051206), (80, 252025603), (101, 199624240), (149, 135315760), (202, 99812120), (298, 67657880), (404, 49906060), (505, 39924848), (596, 33828940), (745, 27063152), (808, 24953030), (1010, 19962424), (1192, 16914470), (1490, 13531576), (1616, 12476515), (2020, 9981212), (2384, 8457235), (2980, 6765788), (4040, 4990606), (5960, 3382894), (8080, 2495303), (11920, 1691447), (15049, 1339760), (16747, 1203920), (30098, 669880), (33494, 601960), (60196, 334940), (66988, 300980), (75245, 267952), (83735, 240784), (120392, 167470), (133976, 150490)]