1716565520

素因数分解:

$2^4\times 5^1\times {\mathrm{21457069}}^1$

素因数の和:21457082

約数の個数: 20

約数和(自身を含む): 3991015020

約数和(自身を除く): 2274449500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21457069, 42914138, 85828276, 107285345, 171656552, 214570690, 343313104, 429141380, 858282760, 1716565520]

約数ペア:

[(1, 1716565520), (2, 858282760), (4, 429141380), (5, 343313104), (8, 214570690), (10, 171656552), (16, 107285345), (20, 85828276), (40, 42914138), (80, 21457069)]