81059860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{578999}}^1$

素因数の和:579015

約数の個数: 24

約数和(自身を含む): 194544000

約数和(自身を除く): 113484140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 578999, 1157998, 2315996, 2894995, 4052993, 5789990, 8105986, 11579980, 16211972, 20264965, 40529930, 81059860]

約数ペア:

[(1, 81059860), (2, 40529930), (4, 20264965), (5, 16211972), (7, 11579980), (10, 8105986), (14, 5789990), (20, 4052993), (28, 2894995), (35, 2315996), (70, 1157998), (140, 578999)]