54787540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{911}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 120121344

約数和(自身を除く): 65333804

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 911, 970, 1822, 1940, 3007, 3644, 4555, 6014, 9110, 12028, 15035, 18220, 28241, 30070, 56482, 60140, 88367, 112964, 141205, 176734, 282410, 353468, 441835, 564820, 883670, 1767340, 2739377, 5478754, 10957508, 13696885, 27393770, 54787540]

約数ペア:

[(1, 54787540), (2, 27393770), (4, 13696885), (5, 10957508), (10, 5478754), (20, 2739377), (31, 1767340), (62, 883670), (97, 564820), (124, 441835), (155, 353468), (194, 282410), (310, 176734), (388, 141205), (485, 112964), (620, 88367), (911, 60140), (970, 56482), (1822, 30070), (1940, 28241), (3007, 18220), (3644, 15035), (4555, 12028), (6014, 9110)]