87905980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5501}}^1$

素因数の和:5574

約数の個数: 48

約数和(自身を含む): 199656576

約数和(自身を除く): 111750596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 5501, 7990, 11002, 15980, 22004, 27505, 55010, 93517, 110020, 187034, 258547, 374068, 467585, 517094, 935170, 1034188, 1292735, 1870340, 2585470, 4395299, 5170940, 8790598, 17581196, 21976495, 43952990, 87905980]

約数ペア:

[(1, 87905980), (2, 43952990), (4, 21976495), (5, 17581196), (10, 8790598), (17, 5170940), (20, 4395299), (34, 2585470), (47, 1870340), (68, 1292735), (85, 1034188), (94, 935170), (170, 517094), (188, 467585), (235, 374068), (340, 258547), (470, 187034), (799, 110020), (940, 93517), (1598, 55010), (3196, 27505), (3995, 22004), (5501, 15980), (7990, 11002)]