8488820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10562380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 251, 356, 380, 445, 502, 890, 1004, 1255, 1691, 1780, 2510, 3382, 4769, 5020, 6764, 8455, 9538, 16910, 19076, 22339, 23845, 33820, 44678, 47690, 89356, 95380, 111695, 223390, 424441, 446780, 848882, 1697764, 2122205, 4244410, 8488820]

約数ペア:

[(1, 8488820), (2, 4244410), (4, 2122205), (5, 1697764), (10, 848882), (19, 446780), (20, 424441), (38, 223390), (76, 111695), (89, 95380), (95, 89356), (178, 47690), (190, 44678), (251, 33820), (356, 23845), (380, 22339), (445, 19076), (502, 16910), (890, 9538), (1004, 8455), (1255, 6764), (1691, 5020), (1780, 4769), (2510, 3382)]