47171840

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 114239160

約数和(自身を除く): 67067320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 269, 274, 320, 538, 548, 640, 685, 1076, 1096, 1280, 1345, 1370, 2152, 2192, 2690, 2740, 4304, 4384, 5380, 5480, 8608, 8768, 10760, 10960, 17216, 17536, 21520, 21920, 34432, 35072, 36853, 43040, 43840, 68864, 73706, 86080, 87680, 147412, 172160, 175360, 184265, 294824, 344320, 368530, 589648, 737060, 1179296, 1474120, 2358592, 2948240, 4717184, 5896480, 9434368, 11792960, 23585920, 47171840]

約数ペア:

[(1, 47171840), (2, 23585920), (4, 11792960), (5, 9434368), (8, 5896480), (10, 4717184), (16, 2948240), (20, 2358592), (32, 1474120), (40, 1179296), (64, 737060), (80, 589648), (128, 368530), (137, 344320), (160, 294824), (256, 184265), (269, 175360), (274, 172160), (320, 147412), (538, 87680), (548, 86080), (640, 73706), (685, 68864), (1076, 43840), (1096, 43040), (1280, 36853), (1345, 35072), (1370, 34432), (2152, 21920), (2192, 21520), (2690, 17536), (2740, 17216), (4304, 10960), (4384, 10760), (5380, 8768), (5480, 8608)]