200801980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{92111}}^1$

素因数の和:92229

約数の個数: 24

約数和(自身を含む): 425557440

約数和(自身を除く): 224755460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 92111, 184222, 368444, 460555, 921110, 1842220, 10040099, 20080198, 40160396, 50200495, 100400990, 200801980]

約数ペア:

[(1, 200801980), (2, 100400990), (4, 50200495), (5, 40160396), (10, 20080198), (20, 10040099), (109, 1842220), (218, 921110), (436, 460555), (545, 368444), (1090, 184222), (2180, 92111)]