80465776

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{218657}}^1$

素因数の和:218688

約数の個数: 20

約数和(自身を含む): 162681552

約数和(自身を除く): 82215776

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 218657, 437314, 874628, 1749256, 3498512, 5029111, 10058222, 20116444, 40232888, 80465776]

約数ペア:

[(1, 80465776), (2, 40232888), (4, 20116444), (8, 10058222), (16, 5029111), (23, 3498512), (46, 1749256), (92, 874628), (184, 437314), (368, 218657)]