9984640

素因数分解:

$2^7\times 5^1\times {\mathrm{15601}}^1$

素因数の和:15620

約数の個数: 32

約数和(自身を含む): 23871060

約数和(自身を除く): 13886420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 15601, 31202, 62404, 78005, 124808, 156010, 249616, 312020, 499232, 624040, 998464, 1248080, 1996928, 2496160, 4992320, 9984640]

約数ペア:

[(1, 9984640), (2, 4992320), (4, 2496160), (5, 1996928), (8, 1248080), (10, 998464), (16, 624040), (20, 499232), (32, 312020), (40, 249616), (64, 156010), (80, 124808), (128, 78005), (160, 62404), (320, 31202), (640, 15601)]