202131920

素因数分解:

$2^4\times 5^1\times {\mathrm{2526649}}^1$

素因数の和:2526662

約数の個数: 20

約数和(自身を含む): 469956900

約数和(自身を除く): 267824980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2526649, 5053298, 10106596, 12633245, 20213192, 25266490, 40426384, 50532980, 101065960, 202131920]

約数ペア:

[(1, 202131920), (2, 101065960), (4, 50532980), (5, 40426384), (8, 25266490), (10, 20213192), (16, 12633245), (20, 10106596), (40, 5053298), (80, 2526649)]