81884336

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{50671}}^1$

素因数の和:50780

約数の個数: 20

約数和(自身を含む): 160224864

約数和(自身を除く): 78340528

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 50671, 101342, 202684, 405368, 810736, 5117771, 10235542, 20471084, 40942168, 81884336]

約数ペア:

[(1, 81884336), (2, 40942168), (4, 20471084), (8, 10235542), (16, 5117771), (101, 810736), (202, 405368), (404, 202684), (808, 101342), (1616, 50671)]