181009280

素因数分解:

$2^7\times 5^1\times {\mathrm{282827}}^1$

素因数の和:282846

約数の個数: 32

約数和(自身を含む): 432726840

約数和(自身を除く): 251717560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 282827, 565654, 1131308, 1414135, 2262616, 2828270, 4525232, 5656540, 9050464, 11313080, 18100928, 22626160, 36201856, 45252320, 90504640, 181009280]

約数ペア:

[(1, 181009280), (2, 90504640), (4, 45252320), (5, 36201856), (8, 22626160), (10, 18100928), (16, 11313080), (20, 9050464), (32, 5656540), (40, 4525232), (64, 2828270), (80, 2262616), (128, 1414135), (160, 1131308), (320, 565654), (640, 282827)]