80651216

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{29137}}^1$

素因数の和:29318

約数の個数: 20

約数和(自身を含む): 157170372

約数和(自身を除く): 76519156

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 29137, 58274, 116548, 233096, 466192, 5040701, 10081402, 20162804, 40325608, 80651216]

約数ペア:

[(1, 80651216), (2, 40325608), (4, 20162804), (8, 10081402), (16, 5040701), (173, 466192), (346, 233096), (692, 116548), (1384, 58274), (2768, 29137)]