199954880

素因数分解:

$2^6\times 5^1\times {\mathrm{624859}}^1$

素因数の和:624876

約数の個数: 28

約数和(自身を含む): 476143320

約数和(自身を除く): 276188440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 624859, 1249718, 2499436, 3124295, 4998872, 6248590, 9997744, 12497180, 19995488, 24994360, 39990976, 49988720, 99977440, 199954880]

約数ペア:

[(1, 199954880), (2, 99977440), (4, 49988720), (5, 39990976), (8, 24994360), (10, 19995488), (16, 12497180), (20, 9997744), (32, 6248590), (40, 4998872), (64, 3124295), (80, 2499436), (160, 1249718), (320, 624859)]