87745760

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4003}}^1$

素因数の和:4155

約数の個数: 48

約数和(自身を含む): 208864656

約数和(自身を除く): 121118896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4003, 4384, 5480, 8006, 10960, 16012, 20015, 21920, 32024, 40030, 64048, 80060, 128096, 160120, 320240, 548411, 640480, 1096822, 2193644, 2742055, 4387288, 5484110, 8774576, 10968220, 17549152, 21936440, 43872880, 87745760]

約数ペア:

[(1, 87745760), (2, 43872880), (4, 21936440), (5, 17549152), (8, 10968220), (10, 8774576), (16, 5484110), (20, 4387288), (32, 2742055), (40, 2193644), (80, 1096822), (137, 640480), (160, 548411), (274, 320240), (548, 160120), (685, 128096), (1096, 80060), (1370, 64048), (2192, 40030), (2740, 32024), (4003, 21920), (4384, 20015), (5480, 16012), (8006, 10960)]