200875000

素因数分解:

$2^3\times 5^6\times {\mathrm{1607}}^1$

素因数の和:1643

約数の個数: 56

約数和(自身を含む): 471087720

約数和(自身を除く): 270212720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1607, 2500, 3125, 3214, 5000, 6250, 6428, 8035, 12500, 12856, 15625, 16070, 25000, 31250, 32140, 40175, 62500, 64280, 80350, 125000, 160700, 200875, 321400, 401750, 803500, 1004375, 1607000, 2008750, 4017500, 5021875, 8035000, 10043750, 20087500, 25109375, 40175000, 50218750, 100437500, 200875000]

約数ペア:

[(1, 200875000), (2, 100437500), (4, 50218750), (5, 40175000), (8, 25109375), (10, 20087500), (20, 10043750), (25, 8035000), (40, 5021875), (50, 4017500), (100, 2008750), (125, 1607000), (200, 1004375), (250, 803500), (500, 401750), (625, 321400), (1000, 200875), (1250, 160700), (1607, 125000), (2500, 80350), (3125, 64280), (3214, 62500), (5000, 40175), (6250, 32140), (6428, 31250), (8035, 25000), (12500, 16070), (12856, 15625)]