199908320

素因数分解:

$2^5\times 5^1\times {\mathrm{1249427}}^1$

素因数の和:1249442

約数の個数: 24

約数和(自身を含む): 472283784

約数和(自身を除く): 272375464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1249427, 2498854, 4997708, 6247135, 9995416, 12494270, 19990832, 24988540, 39981664, 49977080, 99954160, 199908320]

約数ペア:

[(1, 199908320), (2, 99954160), (4, 49977080), (5, 39981664), (8, 24988540), (10, 19990832), (16, 12494270), (20, 9995416), (32, 6247135), (40, 4997708), (80, 2498854), (160, 1249427)]