8208140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4231}}^1$

素因数の和:4337

約数の個数: 24

約数和(自身を含む): 17418912

約数和(自身を除く): 9210772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 4231, 8462, 16924, 21155, 42310, 84620, 410407, 820814, 1641628, 2052035, 4104070, 8208140]

約数ペア:

[(1, 8208140), (2, 4104070), (4, 2052035), (5, 1641628), (10, 820814), (20, 410407), (97, 84620), (194, 42310), (388, 21155), (485, 16924), (970, 8462), (1940, 4231)]