7984640

素因数分解:

$2^9\times 5^1\times {\mathrm{3119}}^1$

素因数の和:3142

約数の個数: 40

約数和(自身を含む): 19150560

約数和(自身を除く): 11165920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3119, 6238, 12476, 15595, 24952, 31190, 49904, 62380, 99808, 124760, 199616, 249520, 399232, 499040, 798464, 998080, 1596928, 1996160, 3992320, 7984640]

約数ペア:

[(1, 7984640), (2, 3992320), (4, 1996160), (5, 1596928), (8, 998080), (10, 798464), (16, 499040), (20, 399232), (32, 249520), (40, 199616), (64, 124760), (80, 99808), (128, 62380), (160, 49904), (256, 31190), (320, 24952), (512, 15595), (640, 12476), (1280, 6238), (2560, 3119)]