1036748800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{20249}}^1$

素因数の和:20281

約数の個数: 72

約数和(自身を含む): 2570636250

約数和(自身を除く): 1533887450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 5120, 6400, 10240, 12800, 20249, 25600, 40498, 51200, 80996, 101245, 161992, 202490, 323984, 404980, 506225, 647968, 809960, 1012450, 1295936, 1619920, 2024900, 2591872, 3239840, 4049800, 5183744, 6479680, 8099600, 10367488, 12959360, 16199200, 20734976, 25918720, 32398400, 41469952, 51837440, 64796800, 103674880, 129593600, 207349760, 259187200, 518374400, 1036748800]

約数ペア:

[(1, 1036748800), (2, 518374400), (4, 259187200), (5, 207349760), (8, 129593600), (10, 103674880), (16, 64796800), (20, 51837440), (25, 41469952), (32, 32398400), (40, 25918720), (50, 20734976), (64, 16199200), (80, 12959360), (100, 10367488), (128, 8099600), (160, 6479680), (200, 5183744), (256, 4049800), (320, 3239840), (400, 2591872), (512, 2024900), (640, 1619920), (800, 1295936), (1024, 1012450), (1280, 809960), (1600, 647968), (2048, 506225), (2560, 404980), (3200, 323984), (5120, 202490), (6400, 161992), (10240, 101245), (12800, 80996), (20249, 51200), (25600, 40498)]