40437985

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 63936000

約数和(自身を除く): 23498015

約数列:

[1, 5, 7, 17, 19, 35, 49, 73, 85, 95, 119, 133, 245, 323, 343, 365, 511, 595, 665, 833, 931, 1241, 1387, 1615, 1715, 2261, 2555, 3577, 4165, 4655, 5831, 6205, 6517, 6935, 8687, 9709, 11305, 15827, 17885, 23579, 25039, 29155, 32585, 43435, 48545, 60809, 67963, 79135, 110789, 117895, 125195, 165053, 304045, 339815, 425663, 475741, 553945, 825265, 1155371, 2128315, 2378705, 5776855, 8087597, 40437985]

約数ペア:

[(1, 40437985), (5, 8087597), (7, 5776855), (17, 2378705), (19, 2128315), (35, 1155371), (49, 825265), (73, 553945), (85, 475741), (95, 425663), (119, 339815), (133, 304045), (245, 165053), (323, 125195), (343, 117895), (365, 110789), (511, 79135), (595, 67963), (665, 60809), (833, 48545), (931, 43435), (1241, 32585), (1387, 29155), (1615, 25039), (1715, 23579), (2261, 17885), (2555, 15827), (3577, 11305), (4165, 9709), (4655, 8687), (5831, 6935), (6205, 6517)]