81525260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{86729}}^1$

素因数の和:86785

約数の個数: 24

約数和(自身を含む): 174847680

約数和(自身を除く): 93322420

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 86729, 173458, 346916, 433645, 867290, 1734580, 4076263, 8152526, 16305052, 20381315, 40762630, 81525260]

約数ペア:

[(1, 81525260), (2, 40762630), (4, 20381315), (5, 16305052), (10, 8152526), (20, 4076263), (47, 1734580), (94, 867290), (188, 433645), (235, 346916), (470, 173458), (940, 86729)]