8905480

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 20139840

約数和(自身を除く): 11234360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 887, 1004, 1255, 1774, 2008, 2510, 3548, 4435, 5020, 7096, 8870, 10040, 17740, 35480, 222637, 445274, 890548, 1113185, 1781096, 2226370, 4452740, 8905480]

約数ペア:

[(1, 8905480), (2, 4452740), (4, 2226370), (5, 1781096), (8, 1113185), (10, 890548), (20, 445274), (40, 222637), (251, 35480), (502, 17740), (887, 10040), (1004, 8870), (1255, 7096), (1774, 5020), (2008, 4435), (2510, 3548)]