69315880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24407}}^1$

素因数の和:24489

約数の個数: 32

約数和(自身を含む): 158163840

約数和(自身を除く): 88847960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24407, 48814, 97628, 122035, 195256, 244070, 488140, 976280, 1732897, 3465794, 6931588, 8664485, 13863176, 17328970, 34657940, 69315880]

約数ペア:

[(1, 69315880), (2, 34657940), (4, 17328970), (5, 13863176), (8, 8664485), (10, 6931588), (20, 3465794), (40, 1732897), (71, 976280), (142, 488140), (284, 244070), (355, 195256), (568, 122035), (710, 97628), (1420, 48814), (2840, 24407)]