25186540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17737}}^1$

素因数の和:17817

約数の個数: 24

約数和(自身を含む): 53639712

約数和(自身を除く): 28453172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 17737, 35474, 70948, 88685, 177370, 354740, 1259327, 2518654, 5037308, 6296635, 12593270, 25186540]

約数ペア:

[(1, 25186540), (2, 12593270), (4, 6296635), (5, 5037308), (10, 2518654), (20, 1259327), (71, 354740), (142, 177370), (284, 88685), (355, 70948), (710, 35474), (1420, 17737)]