40392020

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5503}}^1$

素因数の和:5879

約数の個数: 24

約数和(自身を含む): 85069824

約数和(自身を除く): 44677804

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 5503, 7340, 11006, 22012, 27515, 55030, 110060, 2019601, 4039202, 8078404, 10098005, 20196010, 40392020]

約数ペア:

[(1, 40392020), (2, 20196010), (4, 10098005), (5, 8078404), (10, 4039202), (20, 2019601), (367, 110060), (734, 55030), (1468, 27515), (1835, 22012), (3670, 11006), (5503, 7340)]