57200120

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4051}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 129096720

約数和(自身を除く): 71896600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 4051, 7060, 8102, 14120, 16204, 20255, 32408, 40510, 81020, 162040, 1430003, 2860006, 5720012, 7150015, 11440024, 14300030, 28600060, 57200120]

約数ペア:

[(1, 57200120), (2, 28600060), (4, 14300030), (5, 11440024), (8, 7150015), (10, 5720012), (20, 2860006), (40, 1430003), (353, 162040), (706, 81020), (1412, 40510), (1765, 32408), (2824, 20255), (3530, 16204), (4051, 14120), (7060, 8102)]