2048000000

素因数分解:

$2^{17}\times 5^6$

素因数の和:64

約数の個数: 126

約数和(自身を含む): 5119914933

約数和(自身を除く): 3071914933

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 625, 640, 800, 1000, 1024, 1250, 1280, 1600, 2000, 2048, 2500, 2560, 3125, 3200, 4000, 4096, 5000, 5120, 6250, 6400, 8000, 8192, 10000, 10240, 12500, 12800, 15625, 16000, 16384, 20000, 20480, 25000, 25600, 31250, 32000, 32768, 40000, 40960, 50000, 51200, 62500, 64000, 65536, 80000, 81920, 100000, 102400, 125000, 128000, 131072, 160000, 163840, 200000, 204800, 250000, 256000, 320000, 327680, 400000, 409600, 500000, 512000, 640000, 655360, 800000, 819200, 1000000, 1024000, 1280000, 1600000, 1638400, 2000000, 2048000, 2560000, 3200000, 3276800, 4000000, 4096000, 5120000, 6400000, 8000000, 8192000, 10240000, 12800000, 16000000, 16384000, 20480000, 25600000, 32000000, 40960000, 51200000, 64000000, 81920000, 102400000, 128000000, 204800000, 256000000, 409600000, 512000000, 1024000000, 2048000000]

約数ペア:

[(1, 2048000000), (2, 1024000000), (4, 512000000), (5, 409600000), (8, 256000000), (10, 204800000), (16, 128000000), (20, 102400000), (25, 81920000), (32, 64000000), (40, 51200000), (50, 40960000), (64, 32000000), (80, 25600000), (100, 20480000), (125, 16384000), (128, 16000000), (160, 12800000), (200, 10240000), (250, 8192000), (256, 8000000), (320, 6400000), (400, 5120000), (500, 4096000), (512, 4000000), (625, 3276800), (640, 3200000), (800, 2560000), (1000, 2048000), (1024, 2000000), (1250, 1638400), (1280, 1600000), (1600, 1280000), (2000, 1024000), (2048, 1000000), (2500, 819200), (2560, 800000), (3125, 655360), (3200, 640000), (4000, 512000), (4096, 500000), (5000, 409600), (5120, 400000), (6250, 327680), (6400, 320000), (8000, 256000), (8192, 250000), (10000, 204800), (10240, 200000), (12500, 163840), (12800, 160000), (15625, 131072), (16000, 128000), (16384, 125000), (20000, 102400), (20480, 100000), (25000, 81920), (25600, 80000), (31250, 65536), (32000, 64000), (32768, 62500), (40000, 51200), (40960, 50000)]