80545648

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 160927200

約数和(自身を除く): 80381552

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 199, 328, 398, 617, 656, 796, 1234, 1592, 2468, 3184, 4936, 8159, 9872, 16318, 25297, 32636, 50594, 65272, 101188, 122783, 130544, 202376, 245566, 404752, 491132, 982264, 1964528, 5034103, 10068206, 20136412, 40272824, 80545648]

約数ペア:

[(1, 80545648), (2, 40272824), (4, 20136412), (8, 10068206), (16, 5034103), (41, 1964528), (82, 982264), (164, 491132), (199, 404752), (328, 245566), (398, 202376), (617, 130544), (656, 122783), (796, 101188), (1234, 65272), (1592, 50594), (2468, 32636), (3184, 25297), (4936, 16318), (8159, 9872)]