40140772

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21397}}^1$

素因数の和:21475

約数の個数: 24

約数和(自身を含む): 81483584

約数和(自身を除く): 41342812

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21397, 42794, 85588, 149779, 299558, 599116, 1433599, 2867198, 5734396, 10035193, 20070386, 40140772]

約数ペア:

[(1, 40140772), (2, 20070386), (4, 10035193), (7, 5734396), (14, 2867198), (28, 1433599), (67, 599116), (134, 299558), (268, 149779), (469, 85588), (938, 42794), (1876, 21397)]