40298320

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2557}}^1$

素因数の和:2767

約数の個数: 40

約数和(自身を含む): 94206024

約数和(自身を除く): 53907704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2557, 3152, 3940, 5114, 7880, 10228, 12785, 15760, 20456, 25570, 40912, 51140, 102280, 204560, 503729, 1007458, 2014916, 2518645, 4029832, 5037290, 8059664, 10074580, 20149160, 40298320]

約数ペア:

[(1, 40298320), (2, 20149160), (4, 10074580), (5, 8059664), (8, 5037290), (10, 4029832), (16, 2518645), (20, 2014916), (40, 1007458), (80, 503729), (197, 204560), (394, 102280), (788, 51140), (985, 40912), (1576, 25570), (1970, 20456), (2557, 15760), (3152, 12785), (3940, 10228), (5114, 7880)]