49984640

素因数分解:

$2^7\times 5^1\times {\mathrm{78101}}^1$

素因数の和:78120

約数の個数: 32

約数和(自身を含む): 119496060

約数和(自身を除く): 69511420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 78101, 156202, 312404, 390505, 624808, 781010, 1249616, 1562020, 2499232, 3124040, 4998464, 6248080, 9996928, 12496160, 24992320, 49984640]

約数ペア:

[(1, 49984640), (2, 24992320), (4, 12496160), (5, 9996928), (8, 6248080), (10, 4998464), (16, 3124040), (20, 2499232), (32, 1562020), (40, 1249616), (64, 781010), (80, 624808), (128, 390505), (160, 312404), (320, 156202), (640, 78101)]