87811520

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2157

約数の個数: 56

約数和(自身を含む): 210732624

約数和(自身を除く): 122921104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 2003, 2192, 2740, 4006, 4384, 5480, 8012, 8768, 10015, 10960, 16024, 20030, 21920, 32048, 40060, 43840, 64096, 80120, 128192, 160240, 274411, 320480, 548822, 640960, 1097644, 1372055, 2195288, 2744110, 4390576, 5488220, 8781152, 10976440, 17562304, 21952880, 43905760, 87811520]

約数ペア:

[(1, 87811520), (2, 43905760), (4, 21952880), (5, 17562304), (8, 10976440), (10, 8781152), (16, 5488220), (20, 4390576), (32, 2744110), (40, 2195288), (64, 1372055), (80, 1097644), (137, 640960), (160, 548822), (274, 320480), (320, 274411), (548, 160240), (685, 128192), (1096, 80120), (1370, 64096), (2003, 43840), (2192, 40060), (2740, 32048), (4006, 21920), (4384, 20030), (5480, 16024), (8012, 10960), (8768, 10015)]