71657480

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17737}}^1$

素因数の和:17849

約数の個数: 32

約数和(自身を含む): 162834840

約数和(自身を除く): 91177360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 17737, 35474, 70948, 88685, 141896, 177370, 354740, 709480, 1791437, 3582874, 7165748, 8957185, 14331496, 17914370, 35828740, 71657480]

約数ペア:

[(1, 71657480), (2, 35828740), (4, 17914370), (5, 14331496), (8, 8957185), (10, 7165748), (20, 3582874), (40, 1791437), (101, 709480), (202, 354740), (404, 177370), (505, 141896), (808, 88685), (1010, 70948), (2020, 35474), (4040, 17737)]