129593600

素因数分解:

$2^8\times 5^2\times {\mathrm{20249}}^1$

素因数の和:20275

約数の個数: 54

約数和(自身を含む): 320780250

約数和(自身を除く): 191186650

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, 6400, 20249, 40498, 80996, 101245, 161992, 202490, 323984, 404980, 506225, 647968, 809960, 1012450, 1295936, 1619920, 2024900, 2591872, 3239840, 4049800, 5183744, 6479680, 8099600, 12959360, 16199200, 25918720, 32398400, 64796800, 129593600]

約数ペア:

[(1, 129593600), (2, 64796800), (4, 32398400), (5, 25918720), (8, 16199200), (10, 12959360), (16, 8099600), (20, 6479680), (25, 5183744), (32, 4049800), (40, 3239840), (50, 2591872), (64, 2024900), (80, 1619920), (100, 1295936), (128, 1012450), (160, 809960), (200, 647968), (256, 506225), (320, 404980), (400, 323984), (640, 202490), (800, 161992), (1280, 101245), (1600, 80996), (3200, 40498), (6400, 20249)]