8128000000

素因数分解:

$2^{12}\times 5^6\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 182

約数和(自身を含む): 20477237888

約数和(自身を除く): 12349237888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 200, 250, 254, 256, 320, 400, 500, 508, 512, 625, 635, 640, 800, 1000, 1016, 1024, 1250, 1270, 1280, 1600, 2000, 2032, 2048, 2500, 2540, 2560, 3125, 3175, 3200, 4000, 4064, 4096, 5000, 5080, 5120, 6250, 6350, 6400, 8000, 8128, 10000, 10160, 10240, 12500, 12700, 12800, 15625, 15875, 16000, 16256, 20000, 20320, 20480, 25000, 25400, 25600, 31250, 31750, 32000, 32512, 40000, 40640, 50000, 50800, 51200, 62500, 63500, 64000, 65024, 79375, 80000, 81280, 100000, 101600, 102400, 125000, 127000, 128000, 130048, 158750, 160000, 162560, 200000, 203200, 250000, 254000, 256000, 260096, 317500, 320000, 325120, 396875, 400000, 406400, 500000, 508000, 512000, 520192, 635000, 640000, 650240, 793750, 800000, 812800, 1000000, 1016000, 1270000, 1280000, 1300480, 1587500, 1600000, 1625600, 1984375, 2000000, 2032000, 2540000, 2560000, 2600960, 3175000, 3200000, 3251200, 3968750, 4000000, 4064000, 5080000, 6350000, 6400000, 6502400, 7937500, 8000000, 8128000, 10160000, 12700000, 12800000, 13004800, 15875000, 16000000, 16256000, 20320000, 25400000, 31750000, 32000000, 32512000, 40640000, 50800000, 63500000, 64000000, 65024000, 81280000, 101600000, 127000000, 162560000, 203200000, 254000000, 325120000, 406400000, 508000000, 812800000, 1016000000, 1625600000, 2032000000, 4064000000, 8128000000]

約数ペア:

[(1, 8128000000), (2, 4064000000), (4, 2032000000), (5, 1625600000), (8, 1016000000), (10, 812800000), (16, 508000000), (20, 406400000), (25, 325120000), (32, 254000000), (40, 203200000), (50, 162560000), (64, 127000000), (80, 101600000), (100, 81280000), (125, 65024000), (127, 64000000), (128, 63500000), (160, 50800000), (200, 40640000), (250, 32512000), (254, 32000000), (256, 31750000), (320, 25400000), (400, 20320000), (500, 16256000), (508, 16000000), (512, 15875000), (625, 13004800), (635, 12800000), (640, 12700000), (800, 10160000), (1000, 8128000), (1016, 8000000), (1024, 7937500), (1250, 6502400), (1270, 6400000), (1280, 6350000), (1600, 5080000), (2000, 4064000), (2032, 4000000), (2048, 3968750), (2500, 3251200), (2540, 3200000), (2560, 3175000), (3125, 2600960), (3175, 2560000), (3200, 2540000), (4000, 2032000), (4064, 2000000), (4096, 1984375), (5000, 1625600), (5080, 1600000), (5120, 1587500), (6250, 1300480), (6350, 1280000), (6400, 1270000), (8000, 1016000), (8128, 1000000), (10000, 812800), (10160, 800000), (10240, 793750), (12500, 650240), (12700, 640000), (12800, 635000), (15625, 520192), (15875, 512000), (16000, 508000), (16256, 500000), (20000, 406400), (20320, 400000), (20480, 396875), (25000, 325120), (25400, 320000), (25600, 317500), (31250, 260096), (31750, 256000), (32000, 254000), (32512, 250000), (40000, 203200), (40640, 200000), (50000, 162560), (50800, 160000), (51200, 158750), (62500, 130048), (63500, 128000), (64000, 127000), (65024, 125000), (79375, 102400), (80000, 101600), (81280, 100000)]