40808884

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 36

約数和(自身を含む): 76809600

約数和(自身を除く): 36000716

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 361, 479, 722, 958, 1121, 1444, 1916, 2242, 4484, 9101, 18202, 21299, 28261, 36404, 42598, 56522, 85196, 113044, 172919, 345838, 536959, 691676, 1073918, 2147836, 10202221, 20404442, 40808884]

約数ペア:

[(1, 40808884), (2, 20404442), (4, 10202221), (19, 2147836), (38, 1073918), (59, 691676), (76, 536959), (118, 345838), (236, 172919), (361, 113044), (479, 85196), (722, 56522), (958, 42598), (1121, 36404), (1444, 28261), (1916, 21299), (2242, 18202), (4484, 9101)]