21929396480

素因数分解:

$2^8\times 5^1\times {\mathrm{269}}^1\times {\mathrm{63689}}^1$

素因数の和:63979

約数の個数: 72

約数和(自身を含む): 52723855800

約数和(自身を除く): 30794459320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 538, 640, 1076, 1280, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 17216, 21520, 34432, 43040, 63689, 68864, 86080, 127378, 172160, 254756, 318445, 344320, 509512, 636890, 1019024, 1273780, 2038048, 2547560, 4076096, 5095120, 8152192, 10190240, 16304384, 17132341, 20380480, 34264682, 40760960, 68529364, 81521920, 85661705, 137058728, 171323410, 274117456, 342646820, 548234912, 685293640, 1096469824, 1370587280, 2192939648, 2741174560, 4385879296, 5482349120, 10964698240, 21929396480]

約数ペア:

[(1, 21929396480), (2, 10964698240), (4, 5482349120), (5, 4385879296), (8, 2741174560), (10, 2192939648), (16, 1370587280), (20, 1096469824), (32, 685293640), (40, 548234912), (64, 342646820), (80, 274117456), (128, 171323410), (160, 137058728), (256, 85661705), (269, 81521920), (320, 68529364), (538, 40760960), (640, 34264682), (1076, 20380480), (1280, 17132341), (1345, 16304384), (2152, 10190240), (2690, 8152192), (4304, 5095120), (5380, 4076096), (8608, 2547560), (10760, 2038048), (17216, 1273780), (21520, 1019024), (34432, 636890), (43040, 509512), (63689, 344320), (68864, 318445), (86080, 254756), (127378, 172160)]