51481600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{2011}}^1$

素因数の和:2041

約数の個数: 66

約数和(自身を含む): 127675484

約数和(自身を除く): 76193884

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, 2011, 2560, 3200, 4022, 5120, 6400, 8044, 10055, 12800, 16088, 20110, 25600, 32176, 40220, 50275, 64352, 80440, 100550, 128704, 160880, 201100, 257408, 321760, 402200, 514816, 643520, 804400, 1029632, 1287040, 1608800, 2059264, 2574080, 3217600, 5148160, 6435200, 10296320, 12870400, 25740800, 51481600]

約数ペア:

[(1, 51481600), (2, 25740800), (4, 12870400), (5, 10296320), (8, 6435200), (10, 5148160), (16, 3217600), (20, 2574080), (25, 2059264), (32, 1608800), (40, 1287040), (50, 1029632), (64, 804400), (80, 643520), (100, 514816), (128, 402200), (160, 321760), (200, 257408), (256, 201100), (320, 160880), (400, 128704), (512, 100550), (640, 80440), (800, 64352), (1024, 50275), (1280, 40220), (1600, 32176), (2011, 25600), (2560, 20110), (3200, 16088), (4022, 12800), (5120, 10055), (6400, 8044)]