206875280

素因数分解:

$2^4\times 5^1\times {\mathrm{2585941}}^1$

素因数の和:2585954

約数の個数: 20

約数和(自身を含む): 480985212

約数和(自身を除く): 274109932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2585941, 5171882, 10343764, 12929705, 20687528, 25859410, 41375056, 51718820, 103437640, 206875280]

約数ペア:

[(1, 206875280), (2, 103437640), (4, 51718820), (5, 41375056), (8, 25859410), (10, 20687528), (16, 12929705), (20, 10343764), (40, 5171882), (80, 2585941)]