79846400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{3119}}^1$

素因数の和:3149

約数の個数: 66

約数和(自身を含む): 197985840

約数和(自身を除く): 118139440

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, 2560, 3119, 3200, 5120, 6238, 6400, 12476, 12800, 15595, 24952, 25600, 31190, 49904, 62380, 77975, 99808, 124760, 155950, 199616, 249520, 311900, 399232, 499040, 623800, 798464, 998080, 1247600, 1596928, 1996160, 2495200, 3193856, 3992320, 4990400, 7984640, 9980800, 15969280, 19961600, 39923200, 79846400]

約数ペア:

[(1, 79846400), (2, 39923200), (4, 19961600), (5, 15969280), (8, 9980800), (10, 7984640), (16, 4990400), (20, 3992320), (25, 3193856), (32, 2495200), (40, 1996160), (50, 1596928), (64, 1247600), (80, 998080), (100, 798464), (128, 623800), (160, 499040), (200, 399232), (256, 311900), (320, 249520), (400, 199616), (512, 155950), (640, 124760), (800, 99808), (1024, 77975), (1280, 62380), (1600, 49904), (2560, 31190), (3119, 25600), (3200, 24952), (5120, 15595), (6238, 12800), (6400, 12476)]