79236520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1783}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 196525440

約数和(自身を除く): 117288920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1783, 2020, 2222, 3566, 4040, 4444, 5555, 7132, 8888, 8915, 11110, 14264, 17830, 19613, 22220, 35660, 39226, 44440, 71320, 78452, 98065, 156904, 180083, 196130, 360166, 392260, 720332, 784520, 900415, 1440664, 1800830, 1980913, 3601660, 3961826, 7203320, 7923652, 9904565, 15847304, 19809130, 39618260, 79236520]

約数ペア:

[(1, 79236520), (2, 39618260), (4, 19809130), (5, 15847304), (8, 9904565), (10, 7923652), (11, 7203320), (20, 3961826), (22, 3601660), (40, 1980913), (44, 1800830), (55, 1440664), (88, 900415), (101, 784520), (110, 720332), (202, 392260), (220, 360166), (404, 196130), (440, 180083), (505, 156904), (808, 98065), (1010, 78452), (1111, 71320), (1783, 44440), (2020, 39226), (2222, 35660), (3566, 22220), (4040, 19613), (4444, 17830), (5555, 14264), (7132, 11110), (8888, 8915)]