40897136

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 94993920

約数和(自身を除く): 54096784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 71, 74, 112, 139, 142, 148, 259, 278, 284, 296, 497, 518, 556, 568, 592, 973, 994, 1036, 1112, 1136, 1946, 1988, 2072, 2224, 2627, 3892, 3976, 4144, 5143, 5254, 7784, 7952, 9869, 10286, 10508, 15568, 18389, 19738, 20572, 21016, 36001, 36778, 39476, 41144, 42032, 69083, 72002, 73556, 78952, 82288, 138166, 144004, 147112, 157904, 276332, 288008, 294224, 365153, 552664, 576016, 730306, 1105328, 1460612, 2556071, 2921224, 5112142, 5842448, 10224284, 20448568, 40897136]

約数ペア:

[(1, 40897136), (2, 20448568), (4, 10224284), (7, 5842448), (8, 5112142), (14, 2921224), (16, 2556071), (28, 1460612), (37, 1105328), (56, 730306), (71, 576016), (74, 552664), (112, 365153), (139, 294224), (142, 288008), (148, 276332), (259, 157904), (278, 147112), (284, 144004), (296, 138166), (497, 82288), (518, 78952), (556, 73556), (568, 72002), (592, 69083), (973, 42032), (994, 41144), (1036, 39476), (1112, 36778), (1136, 36001), (1946, 21016), (1988, 20572), (2072, 19738), (2224, 18389), (2627, 15568), (3892, 10508), (3976, 10286), (4144, 9869), (5143, 7952), (5254, 7784)]