2198073040

素因数分解:

$2^4\times 5^1\times {\mathrm{27475913}}^1$

素因数の和:27475926

約数の個数: 20

約数和(自身を含む): 5110520004

約数和(自身を除く): 2912446964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27475913, 54951826, 109903652, 137379565, 219807304, 274759130, 439614608, 549518260, 1099036520, 2198073040]

約数ペア:

[(1, 2198073040), (2, 1099036520), (4, 549518260), (5, 439614608), (8, 274759130), (10, 219807304), (16, 137379565), (20, 109903652), (40, 54951826), (80, 27475913)]