40559984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 83603280

約数和(自身を除く): 43043296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1321, 1616, 1919, 2642, 3838, 5284, 7676, 10568, 15352, 21136, 25099, 30704, 50198, 100396, 133421, 200792, 266842, 401584, 533684, 1067368, 2134736, 2534999, 5069998, 10139996, 20279992, 40559984]

約数ペア:

[(1, 40559984), (2, 20279992), (4, 10139996), (8, 5069998), (16, 2534999), (19, 2134736), (38, 1067368), (76, 533684), (101, 401584), (152, 266842), (202, 200792), (304, 133421), (404, 100396), (808, 50198), (1321, 30704), (1616, 25099), (1919, 21136), (2642, 15352), (3838, 10568), (5284, 7676)]