129125440

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2903}}^1$

素因数の和:3059

約数の個数: 56

約数和(自身を含む): 309798720

約数和(自身を除く): 180673280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 2224, 2780, 2903, 4448, 5560, 5806, 8896, 11120, 11612, 14515, 22240, 23224, 29030, 44480, 46448, 58060, 92896, 116120, 185792, 232240, 403517, 464480, 807034, 928960, 1614068, 2017585, 3228136, 4035170, 6456272, 8070340, 12912544, 16140680, 25825088, 32281360, 64562720, 129125440]

約数ペア:

[(1, 129125440), (2, 64562720), (4, 32281360), (5, 25825088), (8, 16140680), (10, 12912544), (16, 8070340), (20, 6456272), (32, 4035170), (40, 3228136), (64, 2017585), (80, 1614068), (139, 928960), (160, 807034), (278, 464480), (320, 403517), (556, 232240), (695, 185792), (1112, 116120), (1390, 92896), (2224, 58060), (2780, 46448), (2903, 44480), (4448, 29030), (5560, 23224), (5806, 22240), (8896, 14515), (11120, 11612)]