20344000000

素因数分解:

$2^9\times 5^6\times {\mathrm{2543}}^1$

素因数の和:2591

約数の個数: 140

約数和(自身を含む): 50829661872

約数和(自身を除く): 30485661872

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, 1250, 1280, 1600, 2000, 2500, 2543, 2560, 3125, 3200, 4000, 5000, 5086, 6250, 6400, 8000, 10000, 10172, 12500, 12715, 12800, 15625, 16000, 20000, 20344, 25000, 25430, 31250, 32000, 40000, 40688, 50000, 50860, 62500, 63575, 64000, 80000, 81376, 100000, 101720, 125000, 127150, 160000, 162752, 200000, 203440, 250000, 254300, 317875, 320000, 325504, 400000, 406880, 500000, 508600, 635750, 651008, 800000, 813760, 1000000, 1017200, 1271500, 1302016, 1589375, 1600000, 1627520, 2000000, 2034400, 2543000, 3178750, 3255040, 4000000, 4068800, 5086000, 6357500, 6510080, 7946875, 8000000, 8137600, 10172000, 12715000, 15893750, 16275200, 20344000, 25430000, 31787500, 32550400, 39734375, 40688000, 50860000, 63575000, 79468750, 81376000, 101720000, 127150000, 158937500, 162752000, 203440000, 254300000, 317875000, 406880000, 508600000, 635750000, 813760000, 1017200000, 1271500000, 2034400000, 2543000000, 4068800000, 5086000000, 10172000000, 20344000000]

約数ペア:

[(1, 20344000000), (2, 10172000000), (4, 5086000000), (5, 4068800000), (8, 2543000000), (10, 2034400000), (16, 1271500000), (20, 1017200000), (25, 813760000), (32, 635750000), (40, 508600000), (50, 406880000), (64, 317875000), (80, 254300000), (100, 203440000), (125, 162752000), (128, 158937500), (160, 127150000), (200, 101720000), (250, 81376000), (256, 79468750), (320, 63575000), (400, 50860000), (500, 40688000), (512, 39734375), (625, 32550400), (640, 31787500), (800, 25430000), (1000, 20344000), (1250, 16275200), (1280, 15893750), (1600, 12715000), (2000, 10172000), (2500, 8137600), (2543, 8000000), (2560, 7946875), (3125, 6510080), (3200, 6357500), (4000, 5086000), (5000, 4068800), (5086, 4000000), (6250, 3255040), (6400, 3178750), (8000, 2543000), (10000, 2034400), (10172, 2000000), (12500, 1627520), (12715, 1600000), (12800, 1589375), (15625, 1302016), (16000, 1271500), (20000, 1017200), (20344, 1000000), (25000, 813760), (25430, 800000), (31250, 651008), (32000, 635750), (40000, 508600), (40688, 500000), (50000, 406880), (50860, 400000), (62500, 325504), (63575, 320000), (64000, 317875), (80000, 254300), (81376, 250000), (100000, 203440), (101720, 200000), (125000, 162752), (127150, 160000)]