40642840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6311}}^1$

素因数の和:6352

約数の個数: 64

約数和(自身を含む): 109071360

約数和(自身を除く): 68428520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6311, 6440, 12622, 25244, 31555, 44177, 50488, 63110, 88354, 126220, 145153, 176708, 220885, 252440, 290306, 353416, 441770, 580612, 725765, 883540, 1016071, 1161224, 1451530, 1767080, 2032142, 2903060, 4064284, 5080355, 5806120, 8128568, 10160710, 20321420, 40642840]

約数ペア:

[(1, 40642840), (2, 20321420), (4, 10160710), (5, 8128568), (7, 5806120), (8, 5080355), (10, 4064284), (14, 2903060), (20, 2032142), (23, 1767080), (28, 1451530), (35, 1161224), (40, 1016071), (46, 883540), (56, 725765), (70, 580612), (92, 441770), (115, 353416), (140, 290306), (161, 252440), (184, 220885), (230, 176708), (280, 145153), (322, 126220), (460, 88354), (644, 63110), (805, 50488), (920, 44177), (1288, 31555), (1610, 25244), (3220, 12622), (6311, 6440)]