128097280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 88

約数和(自身を含む): 311275008

約数和(自身を除く): 183177728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 197, 254, 256, 320, 394, 508, 512, 635, 640, 788, 985, 1016, 1024, 1270, 1280, 1576, 1970, 2032, 2540, 2560, 3152, 3940, 4064, 5080, 5120, 6304, 7880, 8128, 10160, 12608, 15760, 16256, 20320, 25019, 25216, 31520, 32512, 40640, 50038, 50432, 63040, 65024, 81280, 100076, 100864, 125095, 126080, 130048, 162560, 200152, 201728, 250190, 252160, 325120, 400304, 500380, 504320, 650240, 800608, 1000760, 1008640, 1601216, 2001520, 3202432, 4003040, 6404864, 8006080, 12809728, 16012160, 25619456, 32024320, 64048640, 128097280]

約数ペア:

[(1, 128097280), (2, 64048640), (4, 32024320), (5, 25619456), (8, 16012160), (10, 12809728), (16, 8006080), (20, 6404864), (32, 4003040), (40, 3202432), (64, 2001520), (80, 1601216), (127, 1008640), (128, 1000760), (160, 800608), (197, 650240), (254, 504320), (256, 500380), (320, 400304), (394, 325120), (508, 252160), (512, 250190), (635, 201728), (640, 200152), (788, 162560), (985, 130048), (1016, 126080), (1024, 125095), (1270, 100864), (1280, 100076), (1576, 81280), (1970, 65024), (2032, 63040), (2540, 50432), (2560, 50038), (3152, 40640), (3940, 32512), (4064, 31520), (5080, 25216), (5120, 25019), (6304, 20320), (7880, 16256), (8128, 15760), (10160, 12608)]