54970220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20981}}^1$

素因数の和:21121

約数の個数: 24

約数和(自身を含む): 116324208

約数和(自身を除く): 61353988

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 20981, 41962, 83924, 104905, 209810, 419620, 2748511, 5497022, 10994044, 13742555, 27485110, 54970220]

約数ペア:

[(1, 54970220), (2, 27485110), (4, 13742555), (5, 10994044), (10, 5497022), (20, 2748511), (131, 419620), (262, 209810), (524, 104905), (655, 83924), (1310, 41962), (2620, 20981)]