80209278

素因数分解:

$2^1\times 3^4\times {\mathrm{495119}}^1$

素因数の和:495133

約数の個数: 20

約数和(自身を含む): 179728560

約数和(自身を除く): 99519282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 495119, 990238, 1485357, 2970714, 4456071, 8912142, 13368213, 26736426, 40104639, 80209278]

約数ペア:

[(1, 80209278), (2, 40104639), (3, 26736426), (6, 13368213), (9, 8912142), (18, 4456071), (27, 2970714), (54, 1485357), (81, 990238), (162, 495119)]