25097080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8837}}^1$

素因数の和:8919

約数の個数: 32

約数和(自身を含む): 57270240

約数和(自身を除く): 32173160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8837, 17674, 35348, 44185, 70696, 88370, 176740, 353480, 627427, 1254854, 2509708, 3137135, 5019416, 6274270, 12548540, 25097080]

約数ペア:

[(1, 25097080), (2, 12548540), (4, 6274270), (5, 5019416), (8, 3137135), (10, 2509708), (20, 1254854), (40, 627427), (71, 353480), (142, 176740), (284, 88370), (355, 70696), (568, 44185), (710, 35348), (1420, 17674), (2840, 8837)]