201615280

素因数分解:

$2^4\times 5^1\times {\mathrm{2520191}}^1$

素因数の和:2520204

約数の個数: 20

約数和(自身を含む): 468755712

約数和(自身を除く): 267140432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520191, 5040382, 10080764, 12600955, 20161528, 25201910, 40323056, 50403820, 100807640, 201615280]

約数ペア:

[(1, 201615280), (2, 100807640), (4, 50403820), (5, 40323056), (8, 25201910), (10, 20161528), (16, 12600955), (20, 10080764), (40, 5040382), (80, 2520191)]