4108840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 9324000

約数和(自身を除く): 5215160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 739, 1112, 1390, 1478, 2780, 2956, 3695, 5560, 5912, 7390, 14780, 29560, 102721, 205442, 410884, 513605, 821768, 1027210, 2054420, 4108840]

約数ペア:

[(1, 4108840), (2, 2054420), (4, 1027210), (5, 821768), (8, 513605), (10, 410884), (20, 205442), (40, 102721), (139, 29560), (278, 14780), (556, 7390), (695, 5912), (739, 5560), (1112, 3695), (1390, 2956), (1478, 2780)]