87984640

素因数分解:

$2^9\times 5^1\times {\mathrm{34369}}^1$

素因数の和:34392

約数の個数: 40

約数和(自身を含む): 210963060

約数和(自身を除く): 122978420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 34369, 68738, 137476, 171845, 274952, 343690, 549904, 687380, 1099808, 1374760, 2199616, 2749520, 4399232, 5499040, 8798464, 10998080, 17596928, 21996160, 43992320, 87984640]

約数ペア:

[(1, 87984640), (2, 43992320), (4, 21996160), (5, 17596928), (8, 10998080), (10, 8798464), (16, 5499040), (20, 4399232), (32, 2749520), (40, 2199616), (64, 1374760), (80, 1099808), (128, 687380), (160, 549904), (256, 343690), (320, 274952), (512, 171845), (640, 137476), (1280, 68738), (2560, 34369)]