2123457940

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{63691}}^1$

素因数の和:65367

約数の個数: 24

約数和(自身を含む): 4462006752

約数和(自身を除く): 2338548812

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 6668, 8335, 16670, 33340, 63691, 127382, 254764, 318455, 636910, 1273820, 106172897, 212345794, 424691588, 530864485, 1061728970, 2123457940]

約数ペア:

[(1, 2123457940), (2, 1061728970), (4, 530864485), (5, 424691588), (10, 212345794), (20, 106172897), (1667, 1273820), (3334, 636910), (6668, 318455), (8335, 254764), (16670, 127382), (33340, 63691)]