21971200

素因数分解:

$2^8\times 5^2\times {\mathrm{3433}}^1$

素因数の和:3459

約数の個数: 54

約数和(自身を含む): 54397994

約数和(自身を除く): 32426794

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 3433, 6400, 6866, 13732, 17165, 27464, 34330, 54928, 68660, 85825, 109856, 137320, 171650, 219712, 274640, 343300, 439424, 549280, 686600, 878848, 1098560, 1373200, 2197120, 2746400, 4394240, 5492800, 10985600, 21971200]

約数ペア:

[(1, 21971200), (2, 10985600), (4, 5492800), (5, 4394240), (8, 2746400), (10, 2197120), (16, 1373200), (20, 1098560), (25, 878848), (32, 686600), (40, 549280), (50, 439424), (64, 343300), (80, 274640), (100, 219712), (128, 171650), (160, 137320), (200, 109856), (256, 85825), (320, 68660), (400, 54928), (640, 34330), (800, 27464), (1280, 17165), (1600, 13732), (3200, 6866), (3433, 6400)]