1427881640

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{40427}}^1$

素因数の和:41321

約数の個数: 32

約数和(自身を含む): 3216451680

約数和(自身を除く): 1788570040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 3532, 4415, 7064, 8830, 17660, 35320, 40427, 80854, 161708, 202135, 323416, 404270, 808540, 1617080, 35697041, 71394082, 142788164, 178485205, 285576328, 356970410, 713940820, 1427881640]

約数ペア:

[(1, 1427881640), (2, 713940820), (4, 356970410), (5, 285576328), (8, 178485205), (10, 142788164), (20, 71394082), (40, 35697041), (883, 1617080), (1766, 808540), (3532, 404270), (4415, 323416), (7064, 202135), (8830, 161708), (17660, 80854), (35320, 40427)]