87490960

素因数分解:

$2^4\times 5^1\times {\mathrm{1093637}}^1$

素因数の和:1093650

約数の個数: 20

約数和(自身を含む): 203416668

約数和(自身を除く): 115925708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093637, 2187274, 4374548, 5468185, 8749096, 10936370, 17498192, 21872740, 43745480, 87490960]

約数ペア:

[(1, 87490960), (2, 43745480), (4, 21872740), (5, 17498192), (8, 10936370), (10, 8749096), (16, 5468185), (20, 4374548), (40, 2187274), (80, 1093637)]