87403280

素因数分解:

$2^4\times 5^1\times {\mathrm{1092541}}^1$

素因数の和:1092554

約数の個数: 20

約数和(自身を含む): 203212812

約数和(自身を除く): 115809532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1092541, 2185082, 4370164, 5462705, 8740328, 10925410, 17480656, 21850820, 43701640, 87403280]

約数ペア:

[(1, 87403280), (2, 43701640), (4, 21850820), (5, 17480656), (8, 10925410), (10, 8740328), (16, 5462705), (20, 4370164), (40, 2185082), (80, 1092541)]