20087500

素因数分解:

$2^2\times 5^5\times {\mathrm{1607}}^1$

素因数の和:1636

約数の個数: 36

約数和(自身を含む): 43965936

約数和(自身を除く): 23878436

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1607, 2500, 3125, 3214, 6250, 6428, 8035, 12500, 16070, 32140, 40175, 80350, 160700, 200875, 401750, 803500, 1004375, 2008750, 4017500, 5021875, 10043750, 20087500]

約数ペア:

[(1, 20087500), (2, 10043750), (4, 5021875), (5, 4017500), (10, 2008750), (20, 1004375), (25, 803500), (50, 401750), (100, 200875), (125, 160700), (250, 80350), (500, 40175), (625, 32140), (1250, 16070), (1607, 12500), (2500, 8035), (3125, 6428), (3214, 6250)]