80443748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1879}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 176870400

約数和(自身を除く): 96426652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 556, 973, 1529, 1879, 1946, 3058, 3758, 3892, 6116, 7516, 10703, 13153, 20669, 21406, 26306, 41338, 42812, 52612, 82676, 144683, 261181, 289366, 522362, 578732, 1044724, 1828267, 2872991, 3656534, 5745982, 7313068, 11491964, 20110937, 40221874, 80443748]

約数ペア:

[(1, 80443748), (2, 40221874), (4, 20110937), (7, 11491964), (11, 7313068), (14, 5745982), (22, 3656534), (28, 2872991), (44, 1828267), (77, 1044724), (139, 578732), (154, 522362), (278, 289366), (308, 261181), (556, 144683), (973, 82676), (1529, 52612), (1879, 42812), (1946, 41338), (3058, 26306), (3758, 21406), (3892, 20669), (6116, 13153), (7516, 10703)]