157216040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{170887}}^1$

素因数の和:170921

約数の個数: 32

約数和(自身を含む): 369118080

約数和(自身を除く): 211902040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 170887, 341774, 683548, 854435, 1367096, 1708870, 3417740, 3930401, 6835480, 7860802, 15721604, 19652005, 31443208, 39304010, 78608020, 157216040]

約数ペア:

[(1, 157216040), (2, 78608020), (4, 39304010), (5, 31443208), (8, 19652005), (10, 15721604), (20, 7860802), (23, 6835480), (40, 3930401), (46, 3417740), (92, 1708870), (115, 1367096), (184, 854435), (230, 683548), (460, 341774), (920, 170887)]