42981880

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8461}}^1$

素因数の和:8599

約数の個数: 32

約数和(自身を含む): 97482240

約数和(自身を除く): 54500360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 8461, 16922, 33844, 42305, 67688, 84610, 169220, 338440, 1074547, 2149094, 4298188, 5372735, 8596376, 10745470, 21490940, 42981880]

約数ペア:

[(1, 42981880), (2, 21490940), (4, 10745470), (5, 8596376), (8, 5372735), (10, 4298188), (20, 2149094), (40, 1074547), (127, 338440), (254, 169220), (508, 84610), (635, 67688), (1016, 42305), (1270, 33844), (2540, 16922), (5080, 8461)]