80194160

素因数分解:

$2^4\times 5^1\times {\mathrm{1002427}}^1$

素因数の和:1002440

約数の個数: 20

約数和(自身を含む): 186451608

約数和(自身を除く): 106257448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002427, 2004854, 4009708, 5012135, 8019416, 10024270, 16038832, 20048540, 40097080, 80194160]

約数ペア:

[(1, 80194160), (2, 40097080), (4, 20048540), (5, 16038832), (8, 10024270), (10, 8019416), (16, 5012135), (20, 4009708), (40, 2004854), (80, 1002427)]