191080520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{34367}}^1$

素因数の和:34517

約数の個数: 32

約数和(自身を含む): 433036800

約数和(自身を除く): 241956280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 34367, 68734, 137468, 171835, 274936, 343670, 687340, 1374680, 4777013, 9554026, 19108052, 23885065, 38216104, 47770130, 95540260, 191080520]

約数ペア:

[(1, 191080520), (2, 95540260), (4, 47770130), (5, 38216104), (8, 23885065), (10, 19108052), (20, 9554026), (40, 4777013), (139, 1374680), (278, 687340), (556, 343670), (695, 274936), (1112, 171835), (1390, 137468), (2780, 68734), (5560, 34367)]