40720456

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10853}}^1$

素因数の和:10933

約数の個数: 32

約数和(自身を含む): 88568640

約数和(自身を除く): 47848184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 10853, 21706, 43412, 75971, 86824, 151942, 303884, 607768, 727151, 1454302, 2908604, 5090057, 5817208, 10180114, 20360228, 40720456]

約数ペア:

[(1, 40720456), (2, 20360228), (4, 10180114), (7, 5817208), (8, 5090057), (14, 2908604), (28, 1454302), (56, 727151), (67, 607768), (134, 303884), (268, 151942), (469, 86824), (536, 75971), (938, 43412), (1876, 21706), (3752, 10853)]