12775900

素因数分解:

$2^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 27888840

約数和(自身を除く): 15112940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 251, 502, 509, 1004, 1018, 1255, 2036, 2510, 2545, 5020, 5090, 6275, 10180, 12550, 12725, 25100, 25450, 50900, 127759, 255518, 511036, 638795, 1277590, 2555180, 3193975, 6387950, 12775900]

約数ペア:

[(1, 12775900), (2, 6387950), (4, 3193975), (5, 2555180), (10, 1277590), (20, 638795), (25, 511036), (50, 255518), (100, 127759), (251, 50900), (502, 25450), (509, 25100), (1004, 12725), (1018, 12550), (1255, 10180), (2036, 6275), (2510, 5090), (2545, 5020)]