8557340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 19855584

約数和(自身を除く): 11298244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 401, 485, 802, 970, 1067, 1604, 1940, 2005, 2134, 4010, 4268, 4411, 5335, 8020, 8822, 10670, 17644, 21340, 22055, 38897, 44110, 77794, 88220, 155588, 194485, 388970, 427867, 777940, 855734, 1711468, 2139335, 4278670, 8557340]

約数ペア:

[(1, 8557340), (2, 4278670), (4, 2139335), (5, 1711468), (10, 855734), (11, 777940), (20, 427867), (22, 388970), (44, 194485), (55, 155588), (97, 88220), (110, 77794), (194, 44110), (220, 38897), (388, 22055), (401, 21340), (485, 17644), (802, 10670), (970, 8822), (1067, 8020), (1604, 5335), (1940, 4411), (2005, 4268), (2134, 4010)]